problem stringlengths 14 4.09k | solution stringlengths 1 802k | task_type stringclasses 3
values | problem_tokens int64 5 895 |
|---|---|---|---|
The following is a multiple choice question (with answers).
===Question
In which month and year did Rana Ayyub (an Indian journalist) receive the Sanskriti Award for Excellence in Journalism?
===Choices
February 2012
April 2011
August 2011
January 2012
March 2012
December 2011
October 2011
September 2011
May 2011
Nove... | October 2011 | general_qa | 113 |
The following is a multiple choice question (with answers).
===Question
Which of the following statements is incorrect:
Ⅰ According to importance level, management information can be classified into strategic information, tactical information, and operational information
Ⅱ According to importance level, management info... | II,III,IV | general_qa | 176 |
The following is a multiple choice question (with answers).
===Question
Compute the integral:
$$
\int \frac{ -\sin(2 \cdot x)^4 }{ \cos(2 \cdot x) } \, dx
$$
===Choices
C + (1/3) * (sin(2 * x))^3 - sin(2 * x) + (1/2) * ln(|1 - sin(2 * x)| / |sin(2 * x) + 1|)
C + (1/3) * (sin(2 * x))^3 + sin(2 * x) + (1/2) * ln(|1 + si... | C + (1/3) * (sin(2 * x))^3 + sin(2 * x) - (1/2) * ln(|1 + sin(2 * x)| / |sin(2 * x) - 1|) | general_qa | 576 |
The following is a multiple choice question (with answers).
===Question
What is the following that is important for photosynthesis?
===Choices
Converts organic matter into inorganic matter, releasing carbon to the atmosphere
Transforms organic matter into inorganic material, facilitating oxygen emission
Converts inorg... | Converts inorganic matter into organic matter, allowing carbon to be immobilized | general_qa | 165 |
The following is a multiple choice question (with answers).
===Question
The system is described by the following state-space equations:
$$
{\left[ \begin{array} {l} {{{\dot{x}_{1}}}} \\ {{{\dot{x}_{2}}}} \\ {{{\dot{x}_{3}}}} \\ \end{array} \right]}={\left[ \begin{array} {l l l} {{-1}} & {{1}} & {{0}} \\ {{0}} & {{-1}} ... | $$
G(s)=\frac{1} {s^{3} \,+\, 4 s^{2} \,+\, 5 s \,+\, 2}
$$ | general_qa | 677 |
The following is a multiple choice question (with answers).
===Question
At what stage did self-image receive unprecedented attention?
===Choices
Junior high school stage
Adult stage
High school stage
Early childhood stage
Pre-school stage
University stage
Middle adulthood stage
Primary school stage
Senior citizen stag... | High school stage | general_qa | 65 |
The following is a multiple choice question (with answers).
===Question
Let the system $\mathrm{L}$ be formed by two independent subsystems $L1$ and $L2$ in parallel, and the lifetime of $L1.L2$ follows the exponential distribution of parameters $\alpha, \beta(\alpha\neq\beta)$, respectively. What is the density functi... | $$\left\{\begin{aligned} {{\alpha e^{-\alpha z}+\beta e^{-\beta z}-( \alpha+\beta) e^{-( \alpha+\beta) z},}} & {{z > 0}} \\ {{0,}} & {{z \leq0}} \\ \end{aligned} \right.
$$ | general_qa | 835 |
The following is a multiple choice question (with answers).
===Question
When measuring the flow velocity at three points on a vertical line to calculate the average vertical flow velocity, the flow velocity at () points should be measured from the bottom of the river.
===Choices
0.2h,0.4h,0.8h
0.3h,0.6h,0.9h
0.3h,0.5h... | 0.2h,0.6h,0.8h | general_qa | 202 |
The following is a multiple choice question (with answers).
===Question
The "Mir" space station has a total mass of 137t and a working volume exceeding $400 m^{2}$, making it the largest spacecraft humanity has launched into space for exploration, earning the nickname "Artificial Heavenly Palace." This "colossal entity... | $$
-2. 7 \mathrm{k m}
$$ | general_qa | 482 |
The following is a multiple choice question (with answers).
===Question
A 45-year-old woman comes to the physician for a 3-week history of intermittent episodes of dizziness. The episodes last for hours at a time and are characterized by the sensation that the room is spinning. The patient also reports that she has sta... | Reduced resorption of endolymph | general_qa | 334 |
The following is a multiple choice question (with answers).
===Question
In the history of Western literary theory, the earliest work to distinguish between "pure narrative" and "mimesis" is:
===Choices
Plato's 'Timaeus'
Plato's 'Phaedrus'
Plato's 'Symposium'
Plato's 'Republic'
Aristotle's 'Rhetoric'
Plato's 'Phaedo'
A... | Plato's 'Republic' | general_qa | 119 |
The following is a multiple choice question (with answers).
===Question
Who is the author of the satirical poem 'Ode to Reason'?
===Choices
Trediakovsky
Khraskov
Sumarokov
Kantemir | Kantemir | general_qa | 52 |
The following is a multiple choice question (with answers).
===Question
_______ theory was proposed by Gao Liji, and it explains how a newcomer to a city understands their surroundings in order to survive in that city.
===Choices
Urban compass
Settlement guide
Anchor point
Cultural marker
Locational beacon
Metropolita... | Anchor point | general_qa | 82 |
The following is a multiple choice question (with answers).
===Question
We now define an algorithm: The definition of a(n) is the Kronecker symbol (-1, n), which indicates quadratic reciprocity for n, except for a(0) which is defined to be 0. Given the input x_list (a series of values): [93, 94, 95, 96, 97, 98, 99, 100... | [1, -1, -1, -1, 1, 1, -1, 1, 1, -1] | general_qa | 424 |
The following is a multiple choice question (with answers).
===Question
You are conducting an autopsy on a patient and you find the so-called ladder tears near the main lesion on a major blood vessel. What is the most likely cause of the injury and subsequent death of the person?
===Choices
Sudden deceleration
Penetra... | Rapid deceleration | general_qa | 92 |
The following is a multiple choice question (with answers).
===Question
Two blocks of equal mass are released on two smooth sides of a double inclined plane with a fixed base. If each angle of inclination is ${ 45 }^{ o }$, the acceleration of the centre of mass of the system of the two blocks is (Acceleration due to g... | $10{ ms }^{ -2 }$ vertically downward | general_qa | 163 |
The following is a multiple choice question (with answers).
===Question
The following liquid-phase reactions occur in an isothermal reactor:
$$
A + B → P, \quad r_{\mathrm{P}} = 2 c_{\mathrm{A}}, \, \text{kmol}/(m^{3} \cdot h)
$$
$$
2A → Q, \quad r_{\mathsf{Q}} = 0.5 c_{\mathsf{A}}^{2}, \, \text{kmol}/(m^{3} \cdot h)
$... | $$
x_{A}=0.9988
\\\phi =0.692
$$ | general_qa | 422 |
The following is a multiple choice question (with answers).
===Question
Let the solubilities of AgCl in pure water, 0.01 M $CaCl_2$, 0.01 M NaCl & 0.04 M $AgNO_3$ be $S_1, S_2, S_3 , S_4$ respectively. What is the correct order?
===Choices
$$S_1 > S_2 =S_3 > S_4$$
$$S_1 > S_4 > S_2 > S_3$$
$$S_1 > S_3 > S_2 > S_4$$
$$... | $$S_1 > S_2 > S_3 > S_4$$ | general_qa | 249 |
The following is a multiple choice question (with answers).
===Question
10.05 mL of 0.02000 mol/L EDTA solution is mixed with 10.00 mL of 0.02000 mol/L Pb(NO3)2 solution [lgK(PbY)=18.0, lgY(H)=6.5 at pH=5.0], and the concentration of uncomplexed Pb2+ is ( )mol/L.
===Choices
10^-5.8
10^-9.0
10^-8.4
10^-8.9
10^-8.1
10^-... | 10^-9.2 | general_qa | 175 |
The following is a multiple choice question (with answers).
===Question
What could be the most extreme rainfall referring to?
===Choices
Abundant rainfall spanning various regions in contemporary times
Heavy rains typically seen during seasonal monsoons
Frequent rainfall events within a standard climatic cycle
Intense... | Maximum rainfall within a certain period under modern climatic conditions | general_qa | 97 |
The following is a multiple choice question (with answers).
===Question
Gun powder in hand during gun-shot residue is collected using:-
===Choices
Paraffin oil
Acid phosphatase
Sulfur
Benzidine
Paraffin gel
Paraffin wax
Glycerol | Paraffin wax | general_qa | 62 |
The following is a multiple choice question (with answers).
===Question
Who voiced the character of Hercules in the 1978 animated television series "The Freedom Force"?
===Choices
Bob Denison II
Bob Denison I
Bob Denison Jr.
Bob Denison V
Bob Denison VII
Bob Denison Sr.
Bob Denison III
Bob Denison IV
Bob Denison
Bob D... | Bob Denison | general_qa | 86 |
The following is a multiple choice question (with answers).
===Question
Under Chinese law,company A has produced a new type of carpet and obtained a design patent for it. Company B manufactured and sold this carpet without permission, and Company C purchased it and placed it in its company lobby. In this case, which of... | Company B infringes on Company A's patent rights, but Company C does not constitute infringement. | general_qa | 240 |
The following is a multiple choice question (with answers).
===Question
The 30CrMnSiA steel with a hydrogen mass fraction of $w[\mathrm{H}] = 0.8 \times 10^{-3} \%$ (composition: $w[\mathrm{C}] = 0.3\%$, $w[\mathrm{Cr}] = 1\%$, $w[\mathrm{Mn}] = 1\%$, $w[\mathrm{Si}] = 1\%$) is subjected to dehydrogenation treatment un... | $0. 8 \times1 0^{-4}\%$ | general_qa | 310 |
The following is a multiple choice question (with answers).
===Question
When considering mine airflow as a compressible fluid, what is the relationship between the average flow rate of new workings flowing through a roadway at a given mass flow rate?
===Choices
Inversely proportional to the volume of air in the sectio... | Inversely proportional to the density of air in the section and the area of the section | general_qa | 212 |
The following is a multiple choice question (with answers).
===Question
The mean free path for primary cosmic ray protons interacting in the atmosphere is $\lambda \sim 100 \ \mathrm{g} \ \mathrm{cm}^{-2}$. They produce relativistic charged $\pi$ mesons with energy $E$ that propagate vertically downward. These $\pi$ me... | $$ P=E_{0} / (E_{0}+E) $$ | general_qa | 357 |
The following is a multiple choice question (with answers).
===Question
What was the maximum takeoff weight of the Brewster F2A-3 Buffalo (1937) in kilograms?
===Choices
3,242
3,249
3,250
3,240
3,245
3,246
3,254
3,251
3,248
3,247 | 3,247 | general_qa | 102 |
The following is a multiple choice question (with answers).
===Question
In the 13th chapter of 'The Art of War' by Sun Tzu, 'The Use of Spies': 'Therefore, a wise ruler and a good general who can move and conquer the enemy, and whose achievements surpass those of the masses, must have prior knowledge. Prior knowledge c... | naive materialist spirit | general_qa | 195 |
The following is a multiple choice question (with answers).
===Question
What are the three main characteristics of stratigraphic contacts?
===Choices
Conformable strata, vertical bedding, lithified contact points
Overlapping strata, sedimentary faults, basal conglomerate contact
Metamorphic foliation, erosional terrac... | Integrated contact, parallel unconformity contact, angular unconformity contact | general_qa | 179 |
The following is a multiple choice question (with answers).
===Question
Objects have different reflectivity depending on the condition of their surfaces. The reflective condition of an object can be categorized into three types, i.e., diffuse, specular, and ___.
===Choices
Material Refractions
Lustrous Diffractions
Tr... | Physical Reflections | general_qa | 107 |
The following is a multiple choice question (with answers).
===Question
Dissolve $26.3 \ \mathrm{g} \ \mathrm{CdSO}_{4}$ solid in 1000 $g$ of water, and its freezing point is lowered by 0.285 $\mathrm{K}$ compared to pure water. Given that the freezing point depression constant of water $k_{\mathrm{f}}=1.86 \ \mathrm{K... | $$
0. 0 2 7
$$ | general_qa | 271 |
The following is a multiple choice question (with answers).
===Question
Under what conditions can crystal spheres be prepared?
===Choices
Compress
Boil
Crush
Dissolve
Expand
Freeze
Melt
Condense
Evaporate
Burn | Melt | general_qa | 55 |
The following is a multiple choice question (with answers).
===Question
Which of the following vocational interest inventories is not tied to Holland's theory of vocational interest?
===Choices
Strong Interest Inventory
Minnesota Importance Questionnaire
Kuder Occupational Interest Survey
Self-Directed Search
The Camp... | Kuder Occupational Interest Survey | general_qa | 89 |
The following is a multiple choice question (with answers).
===Question
If $\text{a}$ g of $KHC_2O_4$ is used to neutralize $100$ mL of $0.02\:M\;KMnO_4$ in acid medium whereas, $\text{b}$ g of $KHC_2O_4$ is used to neutralize $100$ mL of $0.02\:M\:Ca{(OH)}_2$, then:
===Choices
$$5a=4b$$
$$3a=5b$$
$$a=b$$
$$2a=b$$
$$3... | $$4a=5b$$ | general_qa | 179 |
The following is a multiple choice question (with answers).
===Question
A 1000 kg boat is travelling at 90 km/h when its engine is shut off. The magnitude of the frictional force f between boat and water is proportional to its speed v of the boat: f = 70 v, where v is in metre per second and f in newton. The time requi... | 5 s | general_qa | 140 |
The following is a multiple choice question (with answers).
===Question
It is known that SN is a character-type field. The result of executing the following SQL query statement is to ().
SELECT SN FROM S
WHERE SN LIKE 'AB%';
===Choices
Identify all SN fields containing the 3 characters 'AB%'
Locate SN fields starting ... | Find all SN fields that start with the characters 'AB' | general_qa | 171 |
The following is a multiple choice question (with answers).
===Question
A vessel contains $100$ litres of a liquid X. Heat is supplied to the liquid in such a fashion that, heat given equals change in enthalpy. The volume of the liquid increases by $2$ litres. If the external pressure is one atm, and $202.6$ Joules of ... | $$\Delta U = 0, \Delta H=0$$ | general_qa | 320 |
The following is a multiple choice question (with answers).
===Question
If the storage class is not specified in the array definition, what will it be by default?
===Choices
register
automatic
static
external
either automatic or external depending on the place of occurrence.
internal | automatic | general_qa | 56 |
The following is a multiple choice question (with answers).
===Question
_______ is commonly of the intermittent type.
===Choices
Blood pressure
Nerve pain
Skin rash
Malaria fever
Muscle spasm
Chronic fatigue
Bone fracture
Stomach ulcer
Kidney stone
Pollen allergy | Malaria fever | general_qa | 64 |
The following is a multiple choice question (with answers).
===Question
Currently, the main types of vapor deposition films are aluminum plating and ______.
===Choices
copper coating
carbon lay-up
silver film
gold plating
titanium plating
tungsten cladding
bronze coating
silicon plating
platinum cladding
magnesium fil... | silicon plating | general_qa | 78 |
The following is a multiple choice question (with answers).
===Question
Compared to longitudinal fractures, transverse fractures are more likely to cause what?
===Choices
Cerebrospinal fluid leakage
Bone deformity, mainly affecting limb alignment
Conductive hearing loss and low-frequency tinnitus
Mixed hearing loss
Li... | Sensorineural hearing loss, with tinnitus often being high-frequency | general_qa | 130 |
The following is a multiple choice question (with answers).
===Question
The application of the "Sale Does Not Break Lease" rule requires the following conditions:
===Choices
The lessor transfers the ownership of the leased property to a third party, meaning that the ownership of the leased property is transferred from... | There exists a valid lease contract between the parties. If the lease contract is subsequently invalidated due to a defect in the expression of intent, or is rescinded with retroactive effect, then this rule does not apply. | general_qa | 215 |
The following is a multiple choice question (with answers).
===Question
The effective value of the AC power voltage is $U = 120 \text{ V}$, with a frequency of $f = 50 \text{ Hz}$. If the ignition voltage and the extinguishing voltage of a neon lamp are both $U_{0} = 84 \text{ V}$, how much time is the neon lamp lit du... | $\frac{1}{150} \mathrm{s}$ | general_qa | 237 |
The following is a multiple choice question (with answers).
===Question
A long tube of length $l=25\ cm$ and diameter equal to $2\ cm$ is taken and at its mouth air is blown as shown in figure. The sound emitted by tube will have all the frequencies of the group: ( velocity of sound $=330\ m/s$)
===Choices
$$660, 1000... | $$660, 1320, 1980\ Hz$$ | general_qa | 266 |
The following is a multiple choice question (with answers).
===Question
Air at a pressure of 100 kPa and a temperature of 300 K enters the diffuser with an inlet cross-sectional area of $A_{1}=100 \ \mathrm{mm}^{2}$ at a velocity of $200 \ \mathrm{m/s}$. If the diffuser has an outlet cross-sectional area of $A_{2}=860 ... | $$19.7^{\circ} \ \mathrm{C}$$
$$
1 2 4. 0 \ \mathrm{k P a}
$$ | general_qa | 503 |
The following is a multiple choice question (with answers).
===Question
The fibrous plaques of atherosclerosis are characterized by ( ).
===Choices
accumulation of plasma proteins
fibrosis of muscular tissues
intracellular hyaline degeneration
hyaline degeneration of the vascular wall
calcification within muscle fiber... | hyaline degeneration of connective tissue | general_qa | 100 |
The following is a multiple choice question (with answers).
===Question
A thermal neutron nuclear reactor experienced an emergency shutdown at the 42nd week while operating at a low power level. It regained criticality 12 hours later and then increased power to 60% FP at a certain rate over 6 hours. How long is require... | 40 to 50 hours | general_qa | 164 |
The following is a multiple choice question (with answers).
===Question
PROLOG is an AI programming language that addresses problems using a symbolic logic form called predicate calculus. It was created in 1972 at the University of Marseilles by a group of experts. Can you identify the individual who led this team?
==... | Alain Colmerauer | general_qa | 171 |
The following is a multiple choice question (with answers).
===Question
What are the two levels of exercise load in an ECG exercise stress test? and which type of exercise test is most commonly used in clinical practice?
===Choices
Maximal, minimal, jogging
Maximal, submaximal, submaximal
Light, maximal, cycle
Minimal... | Maximal, submaximal, submaximal | general_qa | 115 |
The following is a multiple choice question (with answers).
===Question
Which 1987 film by director Chen Kaige won the Palme d'Or at the Cannes Film Festival?
===Choices
The Blue Kite
King of the Children
The Promise
Temptress Moon
The Emperor and the Assassin
Together
The Assassin's Tale
Life on a String
Farewell My ... | Farewell My Concubine | general_qa | 88 |
The following is a multiple choice question (with answers).
===Question
The structural characteristics of cyclophosphamide as an alkylating agent are ___.
===Choices
Oxygen nitrogen phosphorus heterocyclic ring
NN, N - (G-chloroethyl) amine
N. N - (α - chloroethyl)
NN, N - (A-chloroethyl) amine
NN, N - (B-iodoethyl) a... | NN, N - (B-chloroethyl) amine | general_qa | 161 |
The following is a multiple choice question (with answers).
===Question
In a cylinder with no heat exchange with the outside, there is a very light piston closing off water with a mass of $m = 30 \, \text{g}$ at a temperature of 0 °C. At this moment, the piston is just above the water surface. Now, using an electric he... | $0.51\mathrm{~ m}$ | general_qa | 345 |
The following is a multiple choice question (with answers).
===Question
Let $P$ be the positive integer consisting of 1998 decimal digits, all of which are 1; that is, \[P=1111\cdots 11.\] Determine the $303$th digit after the decimal point in the decimal expansion of $\sqrt{P}$.
===Choices
9
3
5
7
2
1
6
4
8 | 3 | general_qa | 102 |
The following is a multiple choice question (with answers).
===Question
Suppose that feedback is used on a binary symmetric channel with parameter $p=0.5$. Each time a $Y$ is received, it becomes the next transmission. Thus $X_1$ is Bern(1/2), $X_2=Y_1$, $X_3=Y_2$, \ldots, X_n=Y_{n-1}. Find $\lim_{n\to\infty} \frac{1}{... | 0.0 | general_qa | 163 |
The following is a multiple choice question (with answers).
===Question
The input signal of the DM encoder is a sine wave. When the sampling frequency is doubled, the quantization signal-to-noise ratio increases by ____dB. When the signal amplitude is halved, the quantization signal-to-noise ratio increases by ____dB.
... | 9, -6 | general_qa | 122 |
The following is a multiple choice question (with answers).
===Question
A lossless transmission line with a characteristic impedance of $50\Omega$ and a length of $2.5\lambda$ is terminated with a load $Z_{\mathrm{L}}=25+\mathrm{j}30\Omega$. Given a source $E_{g} = 20 \mathbf{V}$ and $Z_{g} = 50\Omega$, find the power ... | $$
0. 7 7 \mathbf{W},1(W)
$$ | general_qa | 341 |
The following is a multiple choice question (with answers).
===Question
() is the phenomenon that when a normally temperate bacteriophage infects its host cell and causes it to become lysogenic, the phage genes are integrated into the host's nuclear genome, causing the host to acquire new genetic traits other than immu... | Source Transformation | general_qa | 107 |
The following is a multiple choice question (with answers).
===Question
How many tornadoes were confirmed in the U.S. during the tornado outbreak of June 5-6, 2010?
===Choices
59
56
54
55
52
57
51
58
50
53 | 53 | general_qa | 74 |
The following is a multiple choice question (with answers).
===Question
A sphere of radius $R$ and relative density $4$ is hanging with the help of a string such that it remains just inside water. The ratio force exerted by the liquid on upper and lower half of the sphere is (take ${P}_{atm}=0$)
===Choices
$$2:5$$
$$1... | $$1:3$$ | general_qa | 117 |
The following is a multiple choice question (with answers).
===Question
\( \int \arccos x \, dx = \)
===Choices
\( x rcsin x - \sqrt{1 - x^2} + C \)
\( x rccos x + \sqrt{1 - x^2} + C \)
x \arccos x + \sqrt{1 - x^2} + C
\( -x rccos x - \sqrt{1 - x^2} + C \)
-x \arccos x - \sqrt{1 - x^2} + C
x \arccos x - \sqrt{1 + x... | \( x \arccos x - \sqrt{1 - x^2} + C \) | general_qa | 233 |
The following is a multiple choice question (with answers).
===Question
The magnitude of the average electric field normally present in the atmosphere just above the surface of the Earth is about 150 N/C, directed inward towards the contre of the Earth. This gives the total net surface charge carried by the Earth to be... | $$+670KC $$ | general_qa | 171 |
The following is a multiple choice question (with answers).
===Question
When $\mathrm{y i-y i^{*} > 0}$ in the system, ( ).
===Choices
Absorption process occurs
Neutralization process commences
Distillation process occurs
Extraction process starts
No net transfer of substance
Condensation process initiates
Sedimentati... | Absorption process occurs | general_qa | 89 |
The following is a multiple choice question (with answers).
===Question
On April 1, 1957, which show aired a spoof report about spaghetti trees on April Fool's Day?
===Choices
Newsnight
BBC Newsnight
News at Ten
Today
Panorama
BBC News
BBC Panorama
BBC Today
BBC Panorama (1958)
BBC Newsnight (1957) | Panorama | general_qa | 87 |
The following is a multiple choice question (with answers).
===Question
Bilateral centrocaecal scotoma more marked with red than white colour is a feature of:
===Choices
Papilledema
Tobacco amblyopia
Quinine amblyopia
Leber's disease
Quinine amblyopiafs | Tobacco amblyopia | general_qa | 66 |
The following is a multiple choice question (with answers).
===Question
What is the transfer function expression of the following system?
$$
\left[ \begin{array} {r} {{{\dot{x}_{1}}}} \\ {{{\dot{x}_{2}}}} \\ {{{\dot{x}_{3}}}} \\ \end{array} \right]=\left[ \begin{array} {r r r} {{0}} & {{1}} & {{0}} \\ {{-1}} & {{-1}} &... | $$
\frac{Y ( s )} {U ( s )}=\frac{1} {s^{3}+s^{2}+s}
$$ | general_qa | 618 |
The following is a multiple choice question (with answers).
===Question
Consider a triangle $\triangle OXM$. The centroid is denoted by $D$, while $C$ represents the incenter. The angles at vertices $O$ and $X$ are labeled as $G$ and $z$ respectively. Given that the line segment $CD$ runs parallel to side $OX$, and $z$... | \frac{\pi}{2} | general_qa | 171 |
The following is a multiple choice question (with answers).
===Question
A triangular plowshare has two edges, one for the share and one for the ____.
===Choices
seed drill
lever arm
wheel guide
earth breaker
cutting blade
shin blade
soil pusher
ridger tine
handle grip
furrow opener | shin blade | general_qa | 72 |
The following is a multiple choice question (with answers).
===Question
A solid sphere of radius $R$ has a volume change density $\rho = \rho_0r^2$ (Where $\rho_0$ is a constant and $r$ is the distance from centre). At a distance $x$ from its centre (for $x < R$), the electric field is directly proportional to:
===Ch... | $$\dfrac{1}{x^2}$$ | general_qa | 200 |
The following is a multiple choice question (with answers).
===Question
Three identical homogeneous spheres are placed on a smooth horizontal surface, each touching the others. A rope is wrapped around the three spheres at the height of their centers and tied together. A fourth identical sphere is then placed on top of... | $$T=\frac{\sqrt{6}}{18}P$$ | general_qa | 234 |
The following is a multiple choice question (with answers).
===Question
Endothermic reactions, having $\Delta S = +ve$ may be spontaneous if:
===Choices
\( T \) is moderately low
$$\Delta H = T\Delta S$$
\( T \) is moderate
$T$ is moderately low
T is moderately high
$$\Delta H > T\Delta S$$
$T$ is very low
\( T \) is ... | $T$ is very high | general_qa | 105 |
The following is a multiple choice question (with answers).
===Question
To construct a right-linear grammar \( G=(N,T,P,S) \) capable of generating strings of length 1 to 5 characters, starting with a letter, where \( N=\{S,A,B,C,D\} \), \( T=\{x,y\} \) (here \( x \) represents all letters, \( y \) represents all other... | P=\{S→x∣xA,A→y∣yB,B→y∣yC,C→y∣yD,D→y\} | general_qa | 414 |
The following is a multiple choice question (with answers).
===Question
The known calorific value of standard coal is $Q=29$ megajoules/kg, and the reactor's electrical power is 1000 megawatts. Assuming the power plant's efficiency is 32%, how many uranium-235 nuclei undergo fission per second? How many kilograms of fi... | $$
9. 7 6 5 6 {\times} 1 0^{1 9},~1422.8\mathrm{kg},~3.3983\times10^{6}\mathrm{t}$$ | general_qa | 671 |
The following is a multiple choice question (with answers).
===Question
A cylinder is rotating about vertical axis, Radius of cylinder is $5cm$. If it is rotating with an angular velocity of $2$ revolution per second, then the height difference between minimum and maximum height of water is : $(g=10m/s^2)$
===Choices
... | $$1.8cm$$ | general_qa | 140 |
The following is a multiple choice question (with answers).
===Question
Given that the side length of square $ABDC$ is $a$, try to find a point $E$ such that after removing the isosceles triangle $AEB$ from the square, point $E$ becomes the centroid of the remaining area . So where is the position of point E ?
===Choi... | $$
\frac{a} {2}, 0. 6 3 4 a
$$ | general_qa | 308 |
The following is a multiple choice question (with answers).
===Question
The riverbed elevation of the upper and lower sections of a certain river segment are respectively 725m and 425m, and the length of the river segment is 120km. What is the longitudinal gradient of this river segment?
===Choices
1.5
0.75%
2.5%
2.5‰... | 2.5‰ | general_qa | 114 |
The following is a multiple choice question (with answers).
===Question
Which type of star is typically the smallest and least luminous on the Hertzsprung-Russell diagram?
===Choices
Main sequence M-type star
Intermediate mass black hole
Supergiant
Neutron star
Large blue variable star
Protostar in formation phase
Mai... | Main sequence M-type star | general_qa | 89 |
The following is a multiple choice question (with answers).
===Question
A 67-year-old man comes to the physician for a follow-up examination. He has had lower back pain for several months. The pain radiates down the right leg to the foot. He has no history of any serious illness and takes no medications. His pain incre... | Physical therapy | general_qa | 313 |
The following is a multiple choice question (with answers).
===Question
Let the number of phone calls received by a certain telephone exchange in $t$ minutes $\left\{X(t), t \geq 0 \right\}$ be a Poisson process with a rate of $\lambda$. Find the probability $p_{2}$ that 5 calls are received in 3 minutes, and the 5th c... | $$
\frac{2 1 1} {1 2 0} \lambda^{5} \, \mathrm{e}^{-3 \lambda}
$$ | general_qa | 467 |
The following is a multiple choice question (with answers).
===Question
A very tall, slender 16-year-old boy is referred for evaluation of an abnormal CXR. He reports no pulmonary or cardiac symptoms, and feels well. On physical examination, he has long fingers, pectus excavatum, and a high arched palate. Which of the ... | aortic dilatation | general_qa | 147 |
The following is a multiple choice question (with answers).
===Question
The impact of interference waves mainly manifests in what areas?
===Choices
Unrecorded waves in the transmission of seismic waves
Waves Complementary to Effective Waves
Earthquake waves modified to mimic effective waves
Excessive waves preventing ... | Other waves affecting the tracking and identification of effective waves | general_qa | 129 |
The following is a multiple choice question (with answers).
===Question
Treat the Earth approximately as a uniform sphere with a radius of \(6370 \, \text{km}\). If the gravitational acceleration at the poles is \(9.8 \, \text{m/s}^2\), What is the total mass \(M\) of the Earth.
===Choices
\(5.96 \times 10^{24} \, \te... | \(5.96 \times 10^{24} \, \text{kg}\) | general_qa | 291 |
The following is a multiple choice question (with answers).
===Question
What is correct about null values in MySQL?
I.age IS NULL
II.age IS NOT NULL
III.age = NULL
IV.NOT (age IS NULL)
===Choices
Only I
Only III
Only I, II and III
Only IV
All of the above
Only I and II
Only II
Only I and III
Only I, II and IV
Only I a... | Only I, II and IV | general_qa | 94 |
The following is a multiple choice question (with answers).
===Question
Fresnel complemented "____" based on Huygens' Principle.
===Choices
electric current modulation
gravitational wave detection
optical fiber dispersion
quantum mechanics interference
radio signal amplification
scalar field polarization
wavelet coher... | wavelet coherency superposition | general_qa | 83 |
The following is a multiple choice question (with answers).
===Question
Which among the fallowing is called "Mushroom rocks"?
===Choices
Chimney rocks
Rock spires
Pinnacle stones
Stone mushrooms
Pedestal rocks
Spire formations
Pillar stones
Table top stones
Hoodoo columns
Stack formations | Pedestal rocks | general_qa | 70 |
The following is a multiple choice question (with answers).
===Question
In amplification circuits, what is the most effective method to reduce input impedance?
===Choices
Decreasing the Gain Factor
Changing the Feedback Loop
Modifying Input Capacitor
Using a Source Follower
Using a Voltage Divider
Reducing the Power S... | Using a Source Follower | general_qa | 92 |
The following is a multiple choice question (with answers).
===Question
The following data were taken from Berg et $a l$ (1982). At $t=0$ , a 70-kg subject was given an intravenous injection of 200 mg of phenobarbital. The initial concentration in the blood was $6$ mg $l^{-1}$ . The concentration decayed exponentially ... | $$
0. 3 0 1 \, \mathrm{h r}^{-1}
$$ | general_qa | 394 |
The following is a multiple choice question (with answers).
===Question
Dividing (11001001) by (100111) gives remainder _____.
===Choices
100
010
11
110
001
101
111
011
000 | 110 | general_qa | 76 |
The following is a multiple choice question (with answers).
===Question
In one cycle, all vehicles arriving at the intersection are precisely allowed to pass without any remaining and without any extra signal cycle time, what is this called?
===Choices
The coordinated signal period.
The balanced traffic flow.
The opti... | The minimum signal cycle. | general_qa | 99 |
The following is a multiple choice question (with answers).
===Question
Regarding the ratio of 6:1 between Coptis (Huanglian) and Evodia (Wuzhuyu), it is ( ).
===Choices
It has a protective effect on the gastric mucosa of rats with cold stomach syndrome
The combination enhances the release of jatrorrhizine significant... | It has a protective effect on the gastric mucosa of rats with heat syndrome | general_qa | 193 |
The following is a multiple choice question (with answers).
===Question
Given that
$$$\sum^{491}_{a=1}\sum^{491}_{b=1}\frac{1}{(a + bi)^4 - 1}$$$
can be expressed in the form $\frac{p+qi}{r}$ , where gcd $(p, q, r) = 1$ and $r > 0$ , find the unique integer $k$ between $0$ and $982$ inclusive such that $983$ divides $(... | 860 | general_qa | 180 |
The following is a multiple choice question (with answers).
===Question
Calculate the equilibrium constant for the reaction at 300°K H_2 + D_2 \rightleftarrows 2HD using the following data Fundamental vibrationѵ(cm^-1) Moment of inertia I(g \bullet cm^2 × 10^40) H2 HD D_2 4371 0.458 3785 0.613 3092 0.919
===Choices
2.... | 3.29 | general_qa | 168 |
The following is a multiple choice question (with answers).
===Question
Due to the advanced development of narrative literature in the West, what theories have emerged?
===Choices
The Theory of Psychoanalytical Criticism.
The Theory of Modernist Fragmentation.
The Theory of Structuralist Narratives.
The Theory of Read... | The Theory of the Typical. | general_qa | 80 |
The following is a multiple choice question (with answers).
===Question
Let the population $\mathbf{X}$ follow an exponential distribution, with its probability density given by
$$
f(x) = \left\{
\begin{array}{ll}
\frac{1}{\theta} e^{-x / \theta}, & x > 0, \\
0, & x \leq 0, \\
\end{array}
\right.
$$
where $\theta > 0$ ... | $$
\underline{{{{\theta}}}}=\frac{2 n \overline{{{{X}}}}} {\chi_{n}^{2} ( 2 n )}
$$ | general_qa | 544 |
The following is a multiple choice question (with answers).
===Question
A disc-shaped flywheel with a mass of $M$, a radius of $R$, and uniform density distribution. During the process of spinning with angular velocity $\omega$, a fragment with a mass of $m$ detaches and flies off from the edge of the flywheel, assumin... | $$\omega$$
$$
\frac{1} {2} ( M-2 m ) R^{2} \omega
$$
$$
\frac{1} {4} ( M-2 m ) R^{2} \omega^{2}
$$ | general_qa | 686 |
The following is a multiple choice question (with answers).
===Question
In C.G.S. system of units the electrostatics potential V at a point on the circumference of a circular layer of uniform charge and radius r is given by $V = 4 \sigma \pi$ where $\sigma$ is surface charge density in the layer. Which of the following... | $$U = \frac{4}{3}\pi\sigma^2R^3$$ | general_qa | 306 |
The following is a multiple choice question (with answers).
===Question
Mr. Wang arranged the teaching content as "biology - plants - trees - fruit trees - banana trees" for instruction. This reflects which teaching principle proposed by Ausubel?
===Choices
From near to far
Gradual Differentiation
Step-by-Step Instruc... | Gradual Differentiation | general_qa | 95 |
The following is a multiple choice question (with answers).
===Question
The acid catalysed hydrolysis of an organic compound $A$ at $30^{\circ}C$ has a time for half change of $100$ minutes, when carried out in a buffer solution at $pH\ 5$ and of $10$ minutes, wen carried out at $pH\ 4$. Both times of half change are i... | $$a=1,\ b=1$$ | general_qa | 231 |
The following is a multiple choice question (with answers).
===Question
A 52-year-old woman has gained weight although she has no appetite and she feels tired all the time. She does not seem to care about anything anymore and appears depressed. She complains of being always cold, her hair is dry and brittle, and her fa... | An elevated TSH | general_qa | 132 |
The following is a multiple choice question (with answers).
===Question
What is Ai Wu's first and most influential and successful short story collection?
===Choices
Banana Grove
Night in the South
A Journey to the South
In the Tea House of Its Fragrance | A Journey to the South | general_qa | 55 |
The following is a multiple choice question (with answers).
===Question
A sample of $NaClO_3$ is converted by heat $NaCl$ with a loss of 0.16 g of oxygen. The residue is dissolved in water and precipitated as $AgCl$. The mass of $AgCl$ (in g) obtained will be : (Given : Molar mass of $AgCl=143.5 g mol^{-1}$)
===Choice... | 0.48 | general_qa | 148 |
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