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
The electric charge $Q$ is uniformly distributed on the surface of a sphere with radius $a$. When this sphere rotates around one of its fixed diameters at a constant angular velocity $\omega$, what is the magnetic field energy inside the sphere?
=... | $$
\frac{\mu_{0} Q^{2} \omega^{2} a} {5 4 \pi}
$$ | general_qa | 356 |
The following is a multiple choice question (with answers).
===Question
The Planning Director for Geneva asks you put together a new general plan for the city. Some of the following steps you'd propose to undertake would occur in the following order:
I. Preparing plan
II. Collecting data and analysis
III. Identifying i... | III, IV, II, I | general_qa | 164 |
The following is a multiple choice question (with answers).
===Question
What compounds can react with FeSO4 and concentrated H2SO4 to produce a brown ring reaction?
===Choices
Ca(NO3)2
MgSO4
KCl
ZnCl2
CuSO4
NH4Cl
KNO3 | KNO3 | general_qa | 68 |
The following is a multiple choice question (with answers).
===Question
We now define an algorithm: The definition of a(n) is the number of possible queen moves on an n X n chessboard, considering all positions where a queen can move horizontally, vertically, or diagonally across the board. Given the input x_list (a se... | [62712, 70056, 77952, 86420, 95480, 105152, 115456, 126412, 138040, 150360] | general_qa | 872 |
The following is a multiple choice question (with answers).
===Question
How much water should be filled in a container $21 cm$ in height, so that it appears half filled when viewed from the top of the container? (given that $a \mu_\omega$ = 4/3)
===Choices
$$12.0 cm$$
11.5 cm
11.0 cm
12.5 cm
$$8.0 cm$$
None of the abo... | $$12.0 cm$$ | general_qa | 128 |
The following is a multiple choice question (with answers).
===Question
In the coordinate plane, an ant begins at the point $(0,0).$ When the ant is at $(x,y),$ it can move to either $(x+1,y)$ or $(x,y+1),$ but cannot move to a point whose coordinates leave the same nonzero remainder when divided by $4$ . The ant can t... | 60 | general_qa | 141 |
The following is a multiple choice question (with answers).
===Question
A charged particle $(Q = 10^{-4}C)$ is released from rest at $z=0$ in magnetic field given as $\vec{B}=B_0\cos(\omega t - kz)\hat{i} + B_1 \cos(\omega t + kz)\hat{j}$ where $B_0 = 3\times 10^{-5}T$ and $B_1 = 2 \times 10^{-6}T$. Then the rms value ... | $$0.6$$ | general_qa | 180 |
The following is a multiple choice question (with answers).
===Question
Two identical buggies move one other due to inertia (without friction) with the same velocity $v_{0}$. A man of mass $m$ rides the rear buggy. At a certain moment the man jumps into the front buggy with a velocity $u$ relative to his buggy. If mass... | $$v_{front}=v_{o}+\dfrac{mM}{(m+M)^{2}}u$$ | general_qa | 338 |
The following is a multiple choice question (with answers).
===Question
A volume of $50 ml$ of a solution which is $0.05 M$ in the acid $HA$ ($pK_{a} = 3.80$) and $0.08 M$ in $HB$ ($pK_{a} = 8.20$) is titrated with $0.2 M - NaOH$ solution. The $pH$ of solution at the first equivalent point is ($log 2 = 0.3$, $log 1.6 =... | $$5.9$$ | general_qa | 193 |
The following is a multiple choice question (with answers).
===Question
What is the title of the 2000 film directed by Zhang Yimou that won the Grand Jury Prize at Cannes?
===Choices
Ascend the Crimson Tower
Hero Beyond the Horizon
Lift the Scarlet Veil
March of the Red Leaves
Curse of the Golden Flower
The Story of Q... | Raise the Red Lantern | general_qa | 104 |
The following is a multiple choice question (with answers).
===Question
Use a Geiger-Müller counter with a bell-shaped probe to measure a $\mathbf{C}^{14}$ sample placed on an aluminum tray with a thickness of 10 mg/cm$^{2}$. During the measurement, the distance is 15 mm, and the diameter of the counter's window is 20 ... | 0.2 milliCurie | general_qa | 213 |
The following is a multiple choice question (with answers).
===Question
Among the following improper integrals, which one is divergent?
===Choices
\int_0^{ + \infty } { \frac{1}{x^{0.5}} dx}
\( \int_0^1 { rac{1}{\sqrt{x}} dx} \)
\( \int_1^{ + \infty } { \frac{1}{\sqrt{x}} dx} \)
\int_0^{ + \infty } { \frac{1}{x^{1.5}... | \( \int_1^{ + \infty } { \frac{1}{\sqrt{x}} dx} \) | general_qa | 260 |
The following is a multiple choice question (with answers).
===Question
The turn-on voltage of a silicon diode is about () V at room temperature, and the forward voltage drop at higher currents after conduction is about () V.
===Choices
3.0,3.5
2.1,2.4
2.2, 2.7
2.5,3.0
0.5,0.7
1.0,1.5
1.5,2.7
1.2,1.6
1.4,1.9
0.3,0.9 | 0.5,0.7 | general_qa | 130 |
The following is a multiple choice question (with answers).
===Question
At $298$K, the equilibrium constant for the reaction$Zn^{2+}+4NH_3\rightleftharpoons [Zn(NH_3)_4]^{2+}$ is $10^9$.If $E^o_{[Zn(NH_3)_4]^{2+}/[Zn^{2+}+4NH_3]}=-1.03$V then the value of $E^o_{Zn/Zn^{2+}}$ will be:
===Choices
-0.9545 V
$+1.1$V
$-1.1$... | $-0.7645$V | general_qa | 215 |
The following is a multiple choice question (with answers).
===Question
A $40.0 ml$ solution of weak base, $BOH$ is titrated with $0.1 N - HCl$ solution. The $pH$ of the solution is found to be $10.0$ and $9.0$ after adding $5.0 ml$ and $20.0 ml$ of the acid, respectively. The dissociation constant of the base is ($log... | $$2 \times 10^{-5}$$ | general_qa | 207 |
The following is a multiple choice question (with answers).
===Question
Which of the following words contains the smallest number of morphemes?
===Choices
swiftly
engines
fruitful
diving
kindness
walked
removal
happily
teaching
bench | bench | general_qa | 59 |
The following is a multiple choice question (with answers).
===Question
Who discovered NGC 7789 in Cassiopeia in 1783?
===Choices
William Herschel's sister, Caroline Herschel
William Herschel's sister, Caroline Lucretia Herschel
Caroline Lucretia Herschel
William Herschel's sister, Caroline Lucretia
William Herschel's... | Caroline Lucretia Herschel | general_qa | 142 |
The following is a multiple choice question (with answers).
===Question
A particle moves along the X-axis according to the equation $x = 10{\sin ^3}(\pi t)$. the amplitudes and frequencies of component SHMs are
===Choices
$$amplitude 10 , 10 ; frequencies 1/2 , 2/2$$
$$amplitude 10 , 10 ; frequencies 3/2 , 3/2$$
$$amp... | $$amplitude 10 , 10 ; frequencies 1/2 , 1/2$$ | general_qa | 271 |
The following is a multiple choice question (with answers).
===Question
According to Henry Scadding, author of "Toronto of Old," how many people died on the HMS Ontario in 1780?
===Choices
175.
170.
177.
179.
173.
172.
176.
174.
171.
178. | 172. | general_qa | 85 |
The following is a multiple choice question (with answers).
===Question
Bai Yunpeng and Liu Baoquan are important representatives of ______ in modern Chinese rap music.
===Choices
Folk Song
Traditional Chinese Ensemble
Reggae
Electronic Music
Jazz
Country Music
Jingyun Drum
Rock and Roll
Beijing Opera
Hip Hop | Jingyun Drum | general_qa | 72 |
The following is a multiple choice question (with answers).
===Question
A bag filter operates at a constant airflow velocity for 30 minutes. During this period, 70.8m3 of flue gas was processed, and the initial and final pressure drops of the system were 40Pa and 400Pa, respectively. If the filter is operated for anoth... | 90.1 | general_qa | 143 |
The following is a multiple choice question (with answers).
===Question
The main pipeline between $\mathbf{A}$ and $\mathbf{B}$ is a parallel pipeline composed of two branch pipes. The lengths and diameters of the two branch pipes are $l_{1}=1800 \mathrm{m}, \ d_{1}=0.15 \mathrm{m}, \ l_{2}=3000 \mathrm{m}, \ d_{2}=0.2... | $$
0. 0 1 8 4 2 {\bf m}^{3} / {\bf s},\ 0. 0 1 158 {\bf m}^{3} / {\bf s},\ 7.8823 {\bf m}
$$ | general_qa | 849 |
The following is a multiple choice question (with answers).
===Question
Glassware used for determining chromium should be washed with ().
===Choices
Acetic acid only or detergent
Nitric acid only or detergent
Hydrochloric acid and sulfuric acid mixture or detergent
Sulfuric acid and hydrochloric acid mixture or
Acetic... | Nitric acid and sulfuric acid mixture or detergent | general_qa | 134 |
The following is a multiple choice question (with answers).
===Question
Which children's literature writer created the fairy tale 'The Magic Brush Mā Liáng'?
===Choices
Hong Xunzi
Hong Xun
Hong Xuntu
Liang Xunzi
Liang Xuntu
Liang Hong | Hong Xuntu | general_qa | 63 |
The following is a multiple choice question (with answers).
===Question
A male infant presented with persistent thrush after birth and died of fungal pneumonia at 9 months of age. Autopsy revealed thymic hypoplasia. The persistent infections in this infant were mainly due to ( )
===Choices
phagocyte deficiency
humoral... | cellular immune deficiency | general_qa | 155 |
The following is a multiple choice question (with answers).
===Question
A particle moves within a central force field, where the potential energy in the field is given by
$$
V ( r ) = -k \frac{\mathrm{e}^{-a r}} {r},
$$
where $k$ and $a$ are both positive constants.What is the expression for the force $F ( r )$ ?
===C... | $$
F ( r ) \approx-\frac{k} {r^{2}}.
$$ | general_qa | 310 |
The following is a multiple choice question (with answers).
===Question
Which drug can be used for sodium fluoroacetate poisoning?
===Choices
Acetophenone
Acetyl chloride
Acetate
Acetoacetic
Acetone
Acetylsalicylic
Acetylene
Acetamide
Acetanilide
Acetic acid | Acetamide | general_qa | 77 |
The following is a multiple choice question (with answers).
===Question
What is the primary issue addressed by grassroots supply chain management in the military?
===Choices
Distribution efficiency
Tactical procurement planning
Asset utilization monitoring
Strategic alliances creation
Quality assurance protocols
Inven... | Inventory management | general_qa | 71 |
The following is a multiple choice question (with answers).
===Question
Which of the following groups of altered tones are passing chromatic tones?
===Choices
L:1/8
M:3/8
K:C
ABc |] %1
L:1/8
M:3/8
K:C
d^cB |] %1
L:1/8
M:3/8
K:C
E^DE |] %1
L:1/8
M:3/8
K:C
F_GE |] %1 | L:1/8
M:3/8
K:C
d^cB |] %1 | general_qa | 121 |
The following is a multiple choice question (with answers).
===Question
In Baudrillard's view, the commodity value manifested in contemporary consumption behavior is:
===Choices
symbolic value
representational value
social value
aesthetic value
intrinsic value
use value
semiotic value
surplus value
exchange value
cult... | symbolic value | general_qa | 71 |
The following is a multiple choice question (with answers).
===Question
Using wind tunnels for fundamental research in fluid dynamics includes ().
===Choices
Boundary Layer Analysis, Heat Transfer Mechanisms, and Flow Separation Studies
Bubble Formation, Particle Suspension Studies, and Liquid Film Dynamics
Vortex Str... | Vortex Structure, Atmospheric Dispersion Patterns, and Fundamental Turbulence Research | general_qa | 174 |
The following is a multiple choice question (with answers).
===Question
A radiator on a proposed satellite solar power station must dissipate heat being generated within the satellite by radiating it into space. The radiator surface has a solar absorptivity of 0.5 and an emissivity of 0.95. What is the equilibrium surf... | $\mathrm{439 K}$ | general_qa | 200 |
The following is a multiple choice question (with answers).
===Question
Toxin of Epidemic dropsy is:
===Choices
Alkaloid - derived from a closely related species of the same plant family
BOAA
Alkaloid - derived from the same species of plant but from a different part of the plant harvested at a different time of year
... | Sanguinarine | general_qa | 158 |
The following is a multiple choice question (with answers).
===Question
Which of the following does not hold when two particles of masses $m_1$ and $m_2$ undergo elastic collision?
===Choices
When the collision is oblique and $m_1=m_2$ with $m_2$ stationary, after the collision the particle move in opposite directions... | When $m_1 =m_2$ and $m_2$ is stationary, there is maximum transfer of kinetic energy in head an collision | general_qa | 175 |
The following is a multiple choice question (with answers).
===Question
The statement "Among all things in the world, humans are the most important. I am human, therefore I am the most important in the world" exhibits a flawed reasoning analogous to which of the following?
===Choices
Parrots can mimic human speech. I ... | All squares are rectangles. This shape is a square. Therefore, this shape is a rectangle. | general_qa | 260 |
The following is a multiple choice question (with answers).
===Question
$\mathrm{CO_{2}}$ Laser cavity length $l=1 \mathrm{m}$, discharge tube diameter $\mathbf{d=} 10 \mathrm{mm}$, single-pass diffraction loss rate $\delta_{\mathrm{d}}=0.5\%$, scattering loss rate of both mirrors is 1.5%, transmittance of the two mirr... | $$
1 6. 9
$$
$$
1 1. 4 5 w / m m^{2}
$$
$$
4 9 w
$$ | general_qa | 756 |
The following is a multiple choice question (with answers).
===Question
The writer Li Jingze stated that Lu Chuan's "Kekexili" is a revolution in Chinese film ( ), truly conveying the immense tension of life and existence.
===Choices
technology
themes
mechanics
narrative
literature
cinematography
aesthetics
landscapes... | aesthetics | general_qa | 84 |
The following is a multiple choice question (with answers).
===Question
Predation on coral affects both the number and types of coral, and also impacts their ____.
===Choices
sediment retention
tissue regeneration speed
reproductive ability
photosynthesis capacity
surface texture quality
general coloration
sunlight ab... | overall growth rate | general_qa | 77 |
The following is a multiple choice question (with answers).
===Question
We now define an algorithm: The definition of a(n) is Jablonski table T(n,k) read by antidiagonals: T(n,k) = number of distinct arrangements (necklaces) that can be formed using n beads of k different colors, accounting for rotations as identical. ... | [55, 249, 1044, 3367, 7826, 11165, 8230, 2195, 108, 1] | general_qa | 676 |
The following is a multiple choice question (with answers).
===Question
The condition for a mechanism to have definite motion is ().
===Choices
The degrees of freedom are less than zero and less than the number of driving elements.
The degrees of freedom are less than zero and equal to the number of driving links.
The... | The degrees of freedom are greater than zero and equal to the number of input links. | general_qa | 159 |
The following is a multiple choice question (with answers).
===Question
What is the typical radius of a cloud droplet?
===Choices
10μm
20μm
7μm
1μm
5μm
8μm
30μm
15μm
2μm
25μm | 10μm | general_qa | 72 |
The following is a multiple choice question (with answers).
===Question
Suppose that $p(n)$ denotes the product of the digits of $n$ . Let $S$ be the sum of all positive integers $n$ such that
$$ p(n) = n - 210 $$
Find the remainder when $S$ is divided by $1000$ .
===Choices
317
318
330
310
315
312
325
328
320
322 | 320 | general_qa | 121 |
The following is a multiple choice question (with answers).
===Question
Aesthetics deals with objects that are().
===Choices
devoid of any sensory perception
rooted in logical reasoning only
subjective to emotional interaction
interpreted through universal laws
created solely for societal gain
equivalent to mathematic... | not essential to our existence | general_qa | 89 |
The following is a multiple choice question (with answers).
===Question
From the structure of the definition, in the definition of "judgment is a form of thought that asserts something about the object of thought", what is "asserting something about the object of thought"?
===Choices
conditional statement
proposition
... | differentia specifica | general_qa | 99 |
The following is a multiple choice question (with answers).
===Question
The core process of landscape design in the design concept stage, the first thing to do is ()
===Choices
Complete design renderings
Determine design themes and styles
Produce design texts
Create design analysis diagrams
Estimate design project tim... | Determine design themes and styles | general_qa | 87 |
The following is a multiple choice question (with answers).
===Question
if slope constant volume process on 'TS' diagram is ${ m }_{ 1 }$ & slope of constant pressure process on 'TS'diagram is ${ m }_{ 2 }$ for an ideal gas at the same point then -
===Choices
${ m }_{ 1 }>{ m }_{ 2 }$ and ${ m }_{ 1 } \neq { m }_{ 2 }... | both b & c | general_qa | 167 |
The following is a multiple choice question (with answers).
===Question
$y(x, t)=\dfrac{0.8}{(4x+5t)^2+5}$ represents a moving pulse where x and y are in meter and t in seconds. Then.
===Choices
Pulse is moving in $+$x direction
It's a symmetric pulse with a maximum displacement of $0.12$ m
It's a symmetric pulse with... | It's a symmetric pulse | general_qa | 199 |
The following is a multiple choice question (with answers).
===Question
The earliest public health law was promulgated in ?
===Choices
Wales
China
Scotland
Germany
France
England (1838)
Germony
England
Ireland
Russia | England | general_qa | 55 |
The following is a multiple choice question (with answers).
===Question
Calculate the area of the surface formed by rotating the astroid $x^{\frac{ 2 }{ 3 }} + y^{\frac{ 2 }{ 3 }} = 2^{\frac{ 2 }{ 3 }}$ about the x-axis.
===Choices
48π/8
48π/5
48π/11
48π/6
48π/10
48π/12
48π/3
48π/4
48π/9
48π/7 | 48π/5 | general_qa | 137 |
The following is a multiple choice question (with answers).
===Question
Find the enthalpy of reaction,$2HC\equiv CH+5O_2\rightarrow 4CO_2+2H_2O$If the bond energies of $C-H,\ C\equiv C,\ O=O,\ C=O$ and $O-H$ bonds are $p,\ q,\ r,\ s,\ t$ respectively
===Choices
$$[4p+2q+5r]-[7s+4t]$$
$$[4p+2q+5r]-[8s+5t]$$
$$[6s+4t]-[... | $$[8s+4t]-[4p+2q+5r]$$ | general_qa | 288 |
The following is a multiple choice question (with answers).
===Question
We now define an algorithm: The definition of a(n) is the sequence of composite numbers, which are numbers n that can be expressed as the product of two integers x and y, where both x > 1 and y > 1. Given the input x_list (a series of values): [55,... | [77, 78, 80, 81, 82, 84, 85, 86, 87, 88] | general_qa | 525 |
The following is a multiple choice question (with answers).
===Question
In the spectrum of singly ionized helium, the wavelength of a line observed is almost the same as the first line of Balmer series of hydrogen. It is due to transition of electron
===Choices
From $n_1= 6 $ to $n_2 = 5$
From $n_1= 6 $ to $n_2 = 2$
F... | From $n_1= 6 $ to $n_2 = 4$ | general_qa | 235 |
The following is a multiple choice question (with answers).
===Question
The _______ refers to the age at which an animal first participates in breeding. Generally, it is required that the animal's weight reaches 70% of its adult weight at this age.
===Choices
decreased mating cycle
weight maturity period
baseline mati... | initial breeding age | general_qa | 100 |
The following is a multiple choice question (with answers).
===Question
The most soluble mineral among the following types of minerals is__.
===Choices
Sulphides
Fluorides
Nitrates
Sulfates
Halides
Phosphates
Chlorides
Oxides
Carbonates
Silicates | Halides | general_qa | 68 |
The following is a multiple choice question (with answers).
===Question
What was the first private TV station in Tokyo?
===Choices
Tokyo Cable Network
Japan Television Corporation
Tokyo Broadcasting System
Japan Broadcasting Network
Japan Broadcasting Corporation
Japan Broadcasting System
Tokyo Television Network
Toky... | Japan Television Network | general_qa | 71 |
The following is a multiple choice question (with answers).
===Question
A man weighing W stands on a horizontal beam (hinged on a wall) of negligible weight at point C and holds a massless rope passing over two smooth pulleys. The rope is attached to point B on the beam. If the system is in equilibrium, then:
===Choic... | Hinge force at A is always in vertically downward direction, irrespective of value of W | general_qa | 272 |
The following is a multiple choice question (with answers).
===Question
A tiny ball of mass \( m \) is projected horizontally with velocity \( u = \sqrt{5} \, \text{m/s} \). The ball is attached to an inextensible string that passes over a smooth fixed peg \( P \). The ball moves in a circular path in a vertical plane ... | $$ cos \, \theta =\dfrac{1}{6}$$ | general_qa | 350 |
The following is a multiple choice question (with answers).
===Question
The general solution of the equation $y' + \frac{1}{x} y = x^3$ is
===Choices
\frac{1}{5}x^4 + \frac{C}{x^2}
$x^4 + C$
$\frac{1}{4}x^4 + \frac{C}{x}$
$ rac{1}{5}x^4 + rac{C}{x}$
$\frac{1}{5}x^4 + Cx^2$
$\frac{1}{5}x^4 + Cx$
$\frac{1}{4}x^4 + \fra... | $\frac{1}{5}x^4 + \frac{C}{x}$ | general_qa | 211 |
The following is a multiple choice question (with answers).
===Question
When was the first China International Helicopter Expo held?
===Choices
2009
2011
2012
2013
2010
2014
2017
2018
2016
2015 | 2011 | general_qa | 77 |
The following is a multiple choice question (with answers).
===Question
The broad labor market mechanism includes: price mechanism, () and supply and demand mechanism.
===Choices
trade mechanism
investment mechanism
resource mechanism
inflation mechanism
productivity mechanism
growth mechanism
allocation mechanism
com... | competition mechanism | general_qa | 68 |
The following is a multiple choice question (with answers).
===Question
Battery $\mathrm{Zn} \, | \, \mathrm{ZnSO}_{4} \, ( \, a_{1}=1 \, ) \, |$ Cu$SO_{4}$ $( a_{2}=1 ) \mid\mathrm{Cu}$ has electromotive forces of 1.101 $\mathbf{V}$ and 1.103 $\mathbf{V}$ at 20°C and 25°C, respectively. The $\mathbf{Q}_{p}$, ∆H, and e... | $$
Q p=\Delta H=-1 8 9. 8 k J / m o l;K=7. 9 5 \times1 0^{3 7}
$$ | general_qa | 581 |
The following is a multiple choice question (with answers).
===Question
Compute
$$$\left \lfloor 100 \sin(0^{\circ}) \right \rfloor + \left \lceil 100 \sin(1^{\circ}) \right \rceil + \dots + \left \lceil 100 \sin(359^{\circ}) \right \rceil + \left \lfloor 100 \sin(360^{\circ}) \right \rfloor.$$$
===Choices
30
33
29
37... | 31 | general_qa | 150 |
The following is a multiple choice question (with answers).
===Question
The three-stage brushless synchronous generator regulates the output voltage of the main generator by adjusting the excitation current of the main exciter. This device is called a voltage regulator. When multiple synchronous generators of the same ... | reactive power | general_qa | 138 |
The following is a multiple choice question (with answers).
===Question
Among the following measures, which ones align with the intensive growth strategy chosen by a manufacturing company based on its own conditions ( ):I. Outsourcing product appearance design to a professional design companyII. Developing new products... | II,III and Ⅴ | general_qa | 156 |
The following is a multiple choice question (with answers).
===Question
Which release of the software 7-Zip included the patch note, "7-Zip now can unpack DMG archives that use LZFSE compression method." with its release?
===Choices
9.9
18.01
10.02
24.2
8.03
365.08
5.06
36.23
3.5
24.3 | 18.01 | general_qa | 105 |
The following is a multiple choice question (with answers).
===Question
What are the main subjects of study in petroleum geology?
===Choices
Issues of soil aggregation, challenges in mineral deposition, key determinants of natural gas locations, soil composition considerations
Issues concerning rock type classificatio... | Problems of oil and gas genesis, problems of oil and gas formation and reservoirs, factors controlling the distribution of oil and gas, problems of distribution patterns | general_qa | 274 |
The following is a multiple choice question (with answers).
===Question
Known exact solution of the plane stagnation flow $U_{\bullet}=cx$: $O_{2}=0.292\sqrt{\frac{v}{c}},\tau_{\bullet}=1.233\mu cx\sqrt{\frac{c}{\nu}}$, $H= \frac {\delta _1}{\delta _2}= 2.21.$ Try using Squire's method to determine the value of H is ()... | 2.36 | general_qa | 163 |
The following is a multiple choice question (with answers).
===Question
A transverse wave on a string travelling along +ve x-axis has been shown in the figure below :
The mathematical form of the shown wave is
$y = (3.0 \,cm) sin \left [ 2 \pi \times 0.1 \,t - \dfrac {2 \pi}{100}x \r... | $738 cm,$ in upward direction | general_qa | 227 |
The following is a multiple choice question (with answers).
===Question
Given that genes a and b are 20 map units apart, the recombination value measured in the hybrid offspring is 19%. What is the double crossover value between the two genes?
===Choices
3.0%
0.8%
2%
4%
1.5%
0.5%
1.2%
1%
3.5%
2.5% | 0.5% | general_qa | 90 |
The following is a multiple choice question (with answers).
===Question
When did São Tomé and Príncipe start becoming the world's largest producer of cocoa?
===Choices
1910
1912
1928
1903
1905
1909
1902
1918
1907
1908 | 1908 | general_qa | 86 |
The following is a multiple choice question (with answers).
===Question
The primary purpose of implementing the teacher qualification system is ___.
===Choices
to standardize the curriculum across different schools
to assess the ability and level of qualified teachers
to certify teachers for international teaching sta... | to ensure teacher quality, meeting various teaching needs | general_qa | 121 |
The following is a multiple choice question (with answers).
===Question
What does it reflect when the Yin and cold are extremely strong and the Yang Qi floats outside?
===Choices
Yang Floatation Phenomenon
Yin-Yang Pattern Differentiation
Yin-Yang Dynamic Balance
Yin External Stabilization
Yin Energy Externalization
Y... | Yin-Yang Pattern Differentiation | general_qa | 104 |
The following is a multiple choice question (with answers).
===Question
A 14 years old male child presented with abnormal body movements with MRI showing signal changes in corpus striatum, thalami, pons, medulla, centrum semiovale and asymmetric diffuse white matter involvement. Most likely diagnosis is:
===Choices
Hu... | Wilson's disease | general_qa | 126 |
The following is a multiple choice question (with answers).
===Question
Once a star like the Sun starts to ascend the giant branch its luminosity, to a good approximation, is given by:
$$L=\frac{1 0^{5} L_{\odot}} {M_{\odot}^{6}} M_{\mathrm{c o r e}}^{6}$$,
where the symbol $\odot$ stands for the solar value, and $M_{\... | $$t \simeq6 \times1 0^{8} ~\mathrm{y r}$$ | general_qa | 483 |
The following is a multiple choice question (with answers).
===Question
Given a uniform temperature on an isobaric surface, what is the phenomenon?
===Choices
Humidity remains steady with altitude
Temperature increases with altitude
The wind increases slightly with height
Pressure drops significantly with altitude
The... | The wind is constant with height | general_qa | 100 |
The following is a multiple choice question (with answers).
===Question
The first program to be filmed was().
===Choices
The Lone Ranger Broadcast
The Ed Wynn Show
The Goldbergs Series
The Jackie Gleason Show
The Texaco Star Theater
The Adventures of Ozzie and Harriet
The Honeymooners Special
The Ernie Kovacs Revue
I ... | I love Lucy | general_qa | 89 |
The following is a multiple choice question (with answers).
===Question
Bagassosis is a pneumoconiosis caused by inhalation of
===Choices
Coal particles
Sugar mill dust
Corn dust
Cotton
Bamboo dust
Barley dust
Sugar mill byproduct dust
Asbestos
Sugar beet dust
Sugarcane dust | Sugarcane dust | general_qa | 72 |
The following is a multiple choice question (with answers).
===Question
Estimate the binding energy of ${\bf a} \, \sim\, 1 0 \, M_{\odot}$ star is(), withradus $R \sim5 R_{\odot}$ . surrounding a collapsing degenerate core, and com ne initial shock energy.
===Choices
$E_{B} \sim G M^{2} / R \sim1 0^{4 9}$ erg prior t... | $E_{B} \sim G M^{2} / R \sim1 0^{5 0}$ erg following core bounce. | general_qa | 375 |
The following is a multiple choice question (with answers).
===Question
Given that the normalized $\mathbf{E}$-plane pattern functions for two antennas are as follows: ① $$\left| F(\theta) \right| = \left| \cos \left( \frac{\pi}{4} \cos \theta - \frac{\pi}{4} \right) \right|$$; ② $$\left| F(\theta) \right| = \left| \co... | $$
2 \theta_{0. 5}=2 ( \theta_{0. 5}^{\prime}-\theta_{\mathrm{m a x}} )=9 0^{\circ}
$$ | general_qa | 614 |
The following is a multiple choice question (with answers).
===Question
For the real gases reaction $200 ( g ) + O _ { 2 } ( g ) \longrightarrow 2 C O , ( g ) : \Delta H = - 560 kJ$. In $10 litre$ rigid vessel at $500\mathrm { K }$ the initial pressure is $70 bar$ and after the reaction it becomes $40 bar.$ Th... | $$- 557 k J$$ | general_qa | 209 |
The following is a multiple choice question (with answers).
===Question
Under normal pressure, a binary solution with a composition of 0.6 (mole fraction of the more volatile component) undergoes both simple distillation and equilibrium distillation. Assuming a vaporization rate of 1/3, and that within the operational ... | 44.67%,43.5% | general_qa | 224 |
The following is a multiple choice question (with answers).
===Question
A 2019 genome-wide association study review published by Loukia Vassilopoulou, Michail Matalliotakis, Maria I. Zervou, Charoula Matalliotaki, Konstantinos Krithinakis, Ioannis Matalliotakis, Demetrios A. Spandidos, and George N. Goulielmos enumerat... | 36 | general_qa | 138 |
The following is a multiple choice question (with answers).
===Question
In what year was Sir Syed Ahmed Khan appointed as the Munsif of Fatehpur Sikri?
===Choices
1840
1845
1848
1843
1841
1844
1842
1847
1846
1839 | 1841 | general_qa | 88 |
The following is a multiple choice question (with answers).
===Question
A body weighs 20 N and 10 N when weighed under submerged conditions in liquids of relative densities 0.8 and 1.2 respectively. Determine its volume and weight in air.
===Choices
$$
2. 8 8 4 0 \mathrm{~ L}
$$
$$
4 5 \ \mathrm{N}
$$
$$
2. 6 0 3 9 \m... | $$
2. 5 5 3 6 \mathrm{~ L}
$$
$$
4 0 \ \mathrm{N}
$$ | general_qa | 387 |
The following is a multiple choice question (with answers).
===Question
For a properly reinforced beam, during the process of gradual loading, when the tensile reinforcement just yields, then ( ).
===Choices
the load-carrying capacity of the beam slightly increases, until the concrete at the edge of the compression zo... | the load-carrying capacity of the beam slightly increases, until the concrete at the edge of the compression zone reaches its ultimate compressive strain and fails | general_qa | 351 |
The following is a multiple choice question (with answers).
===Question
To determine the equilibrium constant of the proton transfer reaction between pyridine and water,
$$\mathrm{C}_{2}\mathrm{H}_{5}\mathrm{N}+\mathrm{H_{2}O}\rightleftharpoons\mathrm{C}_{5}\mathrm{H}_{5}\mathrm{NH}^{+}+\mathrm{OH}^{-}$$
set up the fol... | $$
1. 8 1 \times1 0^{-9}
$$ | general_qa | 448 |
The following is a multiple choice question (with answers).
===Question
Weathered crusts are distinctly horizontally zoned and develop primarily where in the temperate forest climate zone?
===Choices
Manganese-calcium-sheath weathered crusts
Sulfur-hydrogen-limestone weathered crusts
Silica-aluminum-clay weathered cru... | Silica-aluminum-clay weathered crusts | general_qa | 155 |
The following is a multiple choice question (with answers).
===Question
What feeling does the narrow and high interior space of a Gothic cathedral give people?
===Choices
confined, cramped
excited, enthusiastic
bright, cheerful
cozy, intimate
calm, serene
oppressive, stuffy
friendly, spacious
lively, bustling
dreary, ... | excited, enthusiastic | general_qa | 82 |
The following is a multiple choice question (with answers).
===Question
The saying "After a major disaster comes a major epidemic" refers to the occurrence of widespread infectious diseases often following flood disasters. Which of the following explanations do you think is the most accurate?
===Choices
Flooding leads... | After flooding disasters, the marshy ground provides excellent conditions for the mass reproduction of parasites' hosts. | general_qa | 248 |
The following is a multiple choice question (with answers).
===Question
Let $C$ be the unit circle $x^2+y^2=1$. A point $p$ is chosen randomly on the circumference $C$ and another point $q$ is chosen randomly from the interior of $C$ (these points are chosen independently and uniformly over their domains). Let $R$ be t... | \frac{4}{\pi^2} | general_qa | 223 |
The following is a multiple choice question (with answers).
===Question
$\alpha -$particles are projected towards the nuclei of the following metals, with the same kinetic energy. Towards which metal, the distance of closest approach is minimum ?
===Choices
$$Cu (Z=29)$$
$$Al (Z=13)$$
Al (Z=14)
$$Au (Z=79)$$
$$Ag (Z=4... | $$Cu (Z=29)$$ | general_qa | 114 |
The following is a multiple choice question (with answers).
===Question
The maximum intensity in Young's double-slit experiment is $I_{0}$. Distance between the slits is $d=5\lambda$, where $\lambda$ is the wavelength of monochromatic light is used in the experiment. What will be the intensity of light in front of one ... | $$\dfrac{I_{0}}{2}$$ | general_qa | 205 |
The following is a multiple choice question (with answers).
===Question
In October 1938, the National Government promulgated the "Regulations on the Management of Agriculture, Mining, Industry and Commerce in Emergency Periods", the purpose of which was __.
===Choices
to reduce tariffs on imported goods
to encourage p... | to implement comprehensive control over the economy | general_qa | 133 |
The following is a multiple choice question (with answers).
===Question
The high negative predictive value of the diagnostic result of a diagnostic method indicates ( ).
===Choices
Low specificity of the methodology
Increased frequency of false negatives
High consistency of the methodology
Variable accuracy of the tes... | High sensitivity of the methodology | general_qa | 90 |
The following is a multiple choice question (with answers).
===Question
What is the name of the organic compound that William Ramsay first formed in 1876 from acetylene and hydrogen cyanide in an iron tube furnace?
===Choices
Pyrazole
Pyridine
Pyrrole
Pyrrolidine
Pyrazine
Pyrimidine
Pyridazine
Pyrrolic acid
Pyrroline
... | Pyridine | general_qa | 97 |
The following is a multiple choice question (with answers).
===Question
Let $n$ be the number of non-congruent equiangular hexagons with all integer side lengths that have all of their side lengths less than $2017$ . Find the remainder when $n$ is divided by $1000$ .
Author: Vismay Sharan
===Choices
379
375
371
378
37... | 376 | general_qa | 120 |
The following is a multiple choice question (with answers).
===Question
A boy is walking away from a wall towards an observer at a speed of 1 metre/sec and blows a whistle whose frequency is 690 Hz. The number of beats heard by the observer per second is (Velocity of sound in air = 340 metres/sec)
===Choices
4
Zero
5
... | Zero | general_qa | 94 |
The following is a multiple choice question (with answers).
===Question
What is the name of the theme song for<Big Ear TuTu>?
===Choices
Happy Melodies
Merry Kids
Happy Melodies for Kids
Happy Tunes for Kids
Cheerful Kids
Happy Tunes
Joyful Tunes
Playful Kids
Happy Kids
Joyful Children | Happy Kids | general_qa | 77 |
The following is a multiple choice question (with answers).
===Question
Given a unit feedback third-order system (without open-loop zeros), the requirements are: when the input is a unit ramp, the steady-state error of the system is $e_{ss} = 3$; the closed-loop dominant poles are to be placed at $\lambda_{1,2} = -2 \p... | $0 < K < 14$ | general_qa | 192 |
The following is a multiple choice question (with answers).
===Question
Let 400 shells be fired independently at a target, with a known ground hit rate of 0.2 for each shell. Please use the central limit theorem to calculate, what is the probability of hitting 60 to 100?
===Choices
0.5432
0.9876
0.7654
0.4321
0.9999
0... | 0.9876 | general_qa | 138 |
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