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
1 mole of argon is expanded isothermally and irreversibly (not against vaccum) from 10L to 100 L.Which of the following is incorrect of the process?
===Choices
Heat supplied (q)=20
$$\Delta H=0$$
Heat supplied (q)=5
$$\Delta H=5$$
Heat supplied (q... | $$\Delta H=0$$ | general_qa | 137 |
The following is a multiple choice question (with answers).
===Question
When taxing goods that are not easily replaced, the tax burden is shifted in the form of ( ).
===Choices
mutual transfer from artisans to users
depreciation transfer
reversed transfer from consumers to manufacturers
direct transfer from exporters ... | direct transfer from manufacturers to consumers | general_qa | 109 |
The following is a multiple choice question (with answers).
===Question
Three blocks, D (top), C (middle), and B (bottom), each with a mass of 10 kg, are stacked on a horizontal surface. A force of 18 N is applied to the left on block D, a force of 15 N is applied to the left on block B, and a force of 100 N is applied... | zero | general_qa | 251 |
The following is a multiple choice question (with answers).
===Question
What was the original name of Chinese sculptor Liu Kaiqu?
===Choices
Liu Dacian
Liu Datian
Liu Dachang
Liu Dachen
Liu Dacheng
Liu Dachuan
Liu Dachun | Liu Datian | general_qa | 69 |
The following is a multiple choice question (with answers).
===Question
What is the shear modulus of selenium in gigapascals?
===Choices
3.73
3.7
3.5
3.75
3.72
3.78
3.65
3.9
3.6
3.8 | 3.7 | general_qa | 74 |
The following is a multiple choice question (with answers).
===Question
Call the value of $[\log_2 1] + [\log_2 2] + [\log_2 3] + ....[\log_2 64]$ as $\alpha$ .
Let the value of $[\log_2 1] + [\log_2 2] + [\log_2 3] + ....[\log_2 52]$ as $\delta$ .
Find the absolute value of $\delta - \alpha$ .
Note: $[x]$ means the ce... | 72 | general_qa | 158 |
The following is a multiple choice question (with answers).
===Question
The augmented fourth above the subdominant in a C major key is the dominant of that major key, and the second note of the ascending chromatic scale of its parallel key is
===Choices
*sol
♯G
la
♯fa | la | general_qa | 64 |
The following is a multiple choice question (with answers).
===Question
Two college students were members of the same fraternity. During a fraternity party, the defendant pulled out a gun, pointed it at the other student and said, "Beg for your life, sucker. " The student, who knew that the defendant had a reputation a... | guilty of manslaughter. | general_qa | 315 |
The following is a multiple choice question (with answers).
===Question
Using a pipe with an inner diameter of $27 \mathrm{mm}$, air is heated from $10°C$ to $100°C$. The air flow rate is $250 \mathrm{kg/h}$, and the outside of the pipe is heated with saturated steam at $120°C$ (not liquefied). Determine the required p... | $$
4.44m
$$ | general_qa | 197 |
The following is a multiple choice question (with answers).
===Question
Find the smallest positive angle to the nearest tenth of a degree between each
given pair of vectors.
$$
\langle-2,-5\rangle,\langle 1,-9\rangle
$$
===Choices
16.9
17.2
17.0
17.3
16.6
17.1
16.7
17.4
16.5
16.8 | 17.0 | general_qa | 107 |
The following is a multiple choice question (with answers).
===Question
If a mechanical system's constraints do not explicitly contain time, what is this type of system called?
===Choices
Dynamic system
Non-autonomous system
Stationary system
Non-stationary system
Autonomous system
Inertial system
Quasi-static system
... | Stationary system | general_qa | 71 |
The following is a multiple choice question (with answers).
===Question
Anesthetic machine gas storage simple is special, for the convenience of identification, China's medical oxygen cylinder painted as ().
===Choices
Pure white
Dark red
Black
Deep purple
Bright yellow
Green
Light blue
Blue
Silver gray
Light green | Light blue | general_qa | 67 |
The following is a multiple choice question (with answers).
===Question
Where is periodontal disease most commonly found?
===Choices
Mandibular incisors and maxillary molars
Mandibular premolars and maxillary canines
Maxillary incisors and maxillary molars
Maxillary molars and mandibular premolars
Maxillary incisors, ... | Mandibular incisors and maxillary molars | general_qa | 144 |
The following is a multiple choice question (with answers).
===Question
We now define an algorithm: The definition of a(n) is Powerful numbers, defined as follows: A number n is called powerful if for every prime p that divides n, p^2 also divides n. These numbers are also referred to as squareful, square full, square-... | [729, 784, 800, 841, 864, 900, 961, 968, 972, 1000] | general_qa | 647 |
The following is a multiple choice question (with answers).
===Question
The propeller blades have the advantage of having a certain backward longitudinal slope
===Choices
To avoid the appearance of propeller cavitation
Reduce propeller disturbance to water flow to reduce noise
Optimize the number of propellers to bala... | Increase the clearance with the stern frame of the hull and reduce the hull vibration caused by the oars | general_qa | 162 |
The following is a multiple choice question (with answers).
===Question
Statements that are true of d-and f-block elements are:
1. The colour of $K_{2}Cr_{2}O_{7}$ is due to d-d transition.
2. Actinides have larger number of oxidation states than lanthanides.
3. Tripositive ions of $Pr(At. No. =59)$ and $Tm(At. No. =... | 2,3,4 | general_qa | 195 |
The following is a multiple choice question (with answers).
===Question
Arthropods exhibit a wide variety of species and diverse forms, with many types of excretory organs. Which of the following excretory organs belong to arthropods?
===Choices
Wu's gland, Ma's gland, salt gland, coxal gland
Anther gland, mouth gland... | Antenna gland, mandibular gland, tubule, coxal gland | general_qa | 233 |
The following is a multiple choice question (with answers).
===Question
The lymph node located in the anterosuperior part of the shoulder joint is ( ).
===Choices
parotid lymph node
iliac lymph node
superficial cervical lymph node
axillary lymph node
popliteal lymph node
supraclavicular lymph node
inguinal lymph node
... | superficial cervical lymph node | general_qa | 96 |
The following is a multiple choice question (with answers).
===Question
What is the main methodology of the German New Historicism School?
===Choices
Theoretical Deduction Method
Empirical Analysis Method
Contextual Evaluation Technique
Comparative Historical Approach
Historical Deduction Method
Analytical Interpretat... | Historical Inductive Method | general_qa | 82 |
The following is a multiple choice question (with answers).
===Question
The four walls of wine, lust, wealth, and desire confine us all; those who manage to break free from this circle will lead a long life, even if they don't reach a hundred years. The combination of indulgence in lust, alcohol, and greed is the sourc... | Organizing prostitution | general_qa | 167 |
The following is a multiple choice question (with answers).
===Question
What animal has retrograde metamorphosis?
===Choices
Distal chordates
Proximal chordates
Caudal chordates
Medial chordates
Posterior chordates
Ventral chordates
Segmental chordates
Lateral chordates
Anterior chordates
Dorsal chordates | Caudal chordates | general_qa | 78 |
The following is a multiple choice question (with answers).
===Question
The known characteristic value of matrix $\left( \begin{matrix} {{1}} & {{-3}} & {{3}} \\ {{3}} & {{-5}} & {{3}} \\ {{6}} & {{-6}} & {{a}} \\ \end{matrix} \right)$ is $\lambda_{{}_{1, 2}}=-2, \lambda_{{}_{3}}=4$ , so what is the value of $A$?
===C... | $$
a=4
$$ | general_qa | 192 |
The following is a multiple choice question (with answers).
===Question
What is the wingspan of Eugnosta misella in millimeters?
===Choices
11-13
8-10
10-12
8-12
9-11
9-12
7-9
9-10
10-13
8-11 | 9-11 | general_qa | 83 |
The following is a multiple choice question (with answers).
===Question
A patient presents with flashing light. Sudden floaters and perception of a cuain falling in front of the eye. Which of the following is the most likely diagnosis:
===Choices
Traditional Retinal Detachment
Posterior Vitreous Detachment with Retina... | Rhegmatogenous Retinal Detachment | general_qa | 142 |
The following is a multiple choice question (with answers).
===Question
We now define an algorithm: The definition of a(n) is the nth term in the triangle of numbers of Dyck paths, where each row corresponds to the number of Dyck paths of given length and each column corresponds to the number of distinct peak heights. ... | [3711916, 3711916, 2068560, 804440, 231868, 49686, 7644, 780, 45, 1] | general_qa | 815 |
The following is a multiple choice question (with answers).
===Question
Which of the following conduit is installed in shallow bedding?
===Choices
Insulated conduits for noise control
Buried conduits for hot fluids
Vertical conduits in basements
Surface-mounted conduits indoors
Gravity flow conduits in reserves
Suspen... | Positive projecting conduits | general_qa | 96 |
The following is a multiple choice question (with answers).
===Question
If $\alpha $ moles of a monoatomic gas are mixed with $\beta $ moles of a polyatomic gas and mixture behaves like diatomic gas, then [ neglect the vibrational mode of freedom )
===Choices
$$\alpha = -\frac{5}{2}\beta$$
\alpha = -4\beta
$$\a... | $$2\alpha =\beta $$ | general_qa | 171 |
The following is a multiple choice question (with answers).
===Question
Two identical disc each of mass M(=4 m) and radius R are rotating in opposite sense with equal angular speed $\omega_0$ about vertical axes passing through their centres, (as shown in figure). A person of mass m sitting on circumference of disc A j... | $$u=\dfrac{\omega_0 R}{2}$$ | general_qa | 275 |
The following is a multiple choice question (with answers).
===Question
What is the concentration (\(C\%\)) of the pulp in a small flotation machine, where the weight of the ore sample is \(0.5 \, \text{kg}\), the density of the ore is \(2900 \, \text{kg/m}^3\), and the volume of water used in the flotation machine is ... | \(C = 27.36\%\) | general_qa | 216 |
The following is a multiple choice question (with answers).
===Question
For a process which follows the equation $PV^3=C$, the work done when 1 mole of ideal gas was taken from one atmosphere to 2 under root 2 atmosphere starting from initial pressure at 300 kelvin is
===Choices
300 R
1200 R
200 R
350 R
450 R
250 R
60... | 300 R | general_qa | 116 |
The following is a multiple choice question (with answers).
===Question
Most scientists believe that the unit of natural selection is what?
===Choices
Biome
Individual
Population
Ecosystem
Species
Niche
Community
Family
Genome
Habitat | Population | general_qa | 54 |
The following is a multiple choice question (with answers).
===Question
Which type of material is generally not used for oil and gas pipelines?
===Choices
Stainless steel
Cast iron
Brass
Titanium
Fiber-reinforced plastic
Polymer composite
Galvanized steel
Carbon steel
Copper
Aluminum Alloy | Copper | general_qa | 68 |
The following is a multiple choice question (with answers).
===Question
A 32-year-old woman had her left index finger severed by a hay cutter at work. After finger replantation, the functionality of her right index finger was restored. Which of the following tissues is considered to undergo complete regeneration?
===C... | Phalanges | general_qa | 104 |
The following is a multiple choice question (with answers).
===Question
What song from "Hamilton" reflects this message: "Amidst Eliza begging Hamilton to stay and Angelica moving to London with her new husband"?
===Choices
"One Last Time"
"Satisfied"
"Non-Stop"
"The Final Battle"
"It's Quiet Uptown"
"The Schuyler Sis... | "Non-Stop" | general_qa | 102 |
The following is a multiple choice question (with answers).
===Question
"Without understanding the language of art, one cannot appreciate art, and even cannot understand art." Who said this?
===Choices
Chekhov
Langer
Ibsen
Jaroslav
Melville
Kafka
Sinclair
Cao Yu
Joyce
Eliot | Langer | general_qa | 74 |
The following is a multiple choice question (with answers).
===Question
Which of the following statements about the properties of solutions is correct?
===Choices
Solutions where the solute obeys Henry's Law must be very dilute solutions.
In an ideal solution, the vapor of each component must be an ideal gas.
The solv... | The solvent obeys Raoult's law, but its vapor is not necessarily an ideal gas. | general_qa | 220 |
The following is a multiple choice question (with answers).
===Question
Family education not only enables children to receive proper education in the family during the childhood period, but also constitutes a complete educational process with school education and social education after children enter school. What chara... | Lifelong | general_qa | 88 |
The following is a multiple choice question (with answers).
===Question
Given that $D_e=4.75 \mathrm{eV}$ and $R_e=0.741 Å$ for the ground electronic state of $\mathrm{H}_2$, find $U\left(R_e\right)$ for this state.
===Choices
-26.89 $\mathrm{eV}$
-33.21 $\mathrm{eV}$
-30.77 $\mathrm{eV}$
-35.00 $\mathrm{eV}$
-34.12 $... | -31.95 $\mathrm{eV}$ | general_qa | 201 |
The following is a multiple choice question (with answers).
===Question
Find the fraction of the standard solar flux reaching the Earth (about 1000 W/m^2) available to a solar collector lying flat on the Earth's surface at Miami (latitude 26°N) at noon on the winter solstice.
===Choices
0.890
0.540
0.656
0.475
0.750
0... | 0.656 | general_qa | 129 |
The following is a multiple choice question (with answers).
===Question
Two liquids X and Y are perfectly immiscible. If X and Y have molecular masses in ratio 1 : 2, the total vapour pressure of a mixture of X and Y prepared in weight ratio 2 : 3 should be ($Px^0 = 400 torr, Py^0 = 200 torr$)
===Choices
314 torr
500 ... | 600 torr | general_qa | 160 |
The following is a multiple choice question (with answers).
===Question
It is known that $\xi=\left( \begin{matrix} {{{1}}} \\ {{{1}}} \\ {{{-1}}} \\ \end{matrix} \right)$ is an eigenvector of $A=\left( \begin{matrix} {{{2}}} & {{{-1}}} & {{{2}}} \\ {{{5}}} & {{{a}}} & {{{3}}} \\ {{{-1}}} & {{{b}}} & {{{-2}}} \\ \end{m... | $$
a=-3, b=0
$$ | general_qa | 251 |
The following is a multiple choice question (with answers).
===Question
The view that denies the absoluteness of motion and absolutizes rest is?
===Choices
Materialism
Mechanism
Metaphysics
Relativism
Empiricism
Idealism | Metaphysics | general_qa | 52 |
The following is a multiple choice question (with answers).
===Question
Considering a right shift of 1.5 sigma, use Excel's normsdist function to calculate the DPMO value at the 4 sigma level, the correct formula is _______.
===Choices
'1000000*(1+normsdist(-4-1.5)-norm
'1000000*(normsdist(-4-1.5)+0-normsdist(4-1.5))'... | '1000000*(normsdist(-4-1.5)+1-normsdist(4-1.5))' | general_qa | 340 |
The following is a multiple choice question (with answers).
===Question
In order to ensure the quality of software and make it have better maintainability, the key is ().
===Choices
Choosing Good Programming Style
Choosing a Good Operating Environment
Utilize the latest features of programming languages
Frequently ref... | Choosing Good Programming Style | general_qa | 110 |
The following is a multiple choice question (with answers).
===Question
A uniform thin cylindrical disc of mass $M$ and radius $R$ is attached to two identical massless spring constant $k$ which are fixed to the wall. The springs are attached to the axle of the disk symmetrically on either side at a distance $d$ from i... | $$\mu g \sqrt {\dfrac {3M}{k}}$$ | general_qa | 351 |
The following is a multiple choice question (with answers).
===Question
When two tuning forks are sounded simultaneously, a beat note of 5 cycles per second is heard. If one of the forks has a known frequency of 256 cycles per second, and if a small piece of adhesive tape fastened to this fork reduces the beat note to ... | 251 | general_qa | 127 |
The following is a multiple choice question (with answers).
===Question
Compared to the scavenging model, why are thermodynamic and multi-dimensional models not yet widely applied in internal combustion engine design? Which of the following explanations is incorrect?
===Choices
Requires specifying combustion laws, Dev... | Can only be used for interpretability, Computational cost is too high to be practical. | general_qa | 123 |
The following is a multiple choice question (with answers).
===Question
Modern semipermeable membranes can be made by precipitating which compound in the pores of unglazed ceramic?
===Choices
Cuprocyanide iron(II)
Cuprocyanide copper
Cuprocyanide iron(II,III)
Cuprocyanide zinc
Cuprocyanide iron
Cuprocyanide iron(I)
Cu... | Cuprocyanide iron | general_qa | 120 |
The following is a multiple choice question (with answers).
===Question
Which year did Carl Van Vechten take a leave of absence from his job at The New York Times to travel Europe and explore opera?
===Choices
1908
1906
1905
1902
1901
1910
1909
1903
1904
1907 | 1907 | general_qa | 94 |
The following is a multiple choice question (with answers).
===Question
If a global ban would not be effective in prohibiting genetic engineering that goes beyond eliminating obvious defects, then Singer suggests which "bolder" strategy?
===Choices
developing a global regulatory body to monitor and control genetic eng... | using a lottery system so everyone gets a fair chance at the benefits of genetic engineering | general_qa | 160 |
The following is a multiple choice question (with answers).
===Question
What is the term for the type of costumes used in performing arts, such as dance, theater, film, and television programs, where concrete actors portray 'characters'-different from how costumes are presented in natural or cultural environments?
===... | Costume mimicry | general_qa | 98 |
The following is a multiple choice question (with answers).
===Question
The core of the negotiation between the buyer and the seller in the inspection clause is ( ).
===Choices
Inspection equipment
Inspection agency
Inspection standards
Inspection frequency
Inspection report format
Inspection method
Inspection time an... | Inspection time and place | general_qa | 77 |
The following is a multiple choice question (with answers).
===Question
The emission spectrum of the doubly ionized lithium atom Li++ (Z = 3, A = 7) is identical to that of a hydrogen atom in which all the wavelengths are
===Choices
decreased by a factor of 81
decreased by a factor of 49
decreased by a factor of 9
inc... | Both decreased by a factor of 9 and decreased by a factor of 3^2 are correct | general_qa | 168 |
The following is a multiple choice question (with answers).
===Question
For the reaction $N_2O_4\rightleftharpoons 2NO_2$, equilibrium mixture contains $NO_2$ at $P = 1.1 atm$ & $N_2O_4$ at $P = 0.28 atm$ at 350 K. The volume of the container is doubled. Calculate the equilibrium pressures of the two gases when the sys... | $$P_{NO_2}= 0.64 atm, P_{N_2O_4} = 0.05 atm$$ | general_qa | 432 |
The following is a multiple choice question (with answers).
===Question
Lacey's formula for wetted perimeter $P$ in an alluvial channel is given in FPS units as
$$
P=2. 6 7 {\sqrt{Q}}
$$
where $Q$ = discharge in $\mathrm{f t^{3} / s}$ . Find the dimensions of the numerical constant and convert this formula into SI unit... | $$
4. 8 3
$$
$$
P=4. 8 3 {\sqrt{Q}}
$$ | general_qa | 371 |
The following is a multiple choice question (with answers).
===Question
In which year did the Samnite Empire reach its peak?
===Choices
362 BC
366 BC
360 BC
341 BC
364 BC
351 BC
371 BC
361 BC
356 BC
363 BC | 361 BC | general_qa | 78 |
The following is a multiple choice question (with answers).
===Question
Endocrine changes that may accompany childhood simple obesity are ____.
===Choices
Enhanced thyroid function tests
Decreased serum PTH levels
Lowered serum PTH levels
Balanced growth hormone secretion levels
Increased bone marrow density
Elevated ... | Elevated serum PTH levels | general_qa | 94 |
The following is a multiple choice question (with answers).
===Question
When the aortic valve fails to close completely, the murmur is characterized as ______.
===Choices
whispering-tone
clicking-sound
tapping-sensation
hissing-quality
rasping-whisper
rumbling-noise
thumping-resonance
humming-sound
groaning-type
sighi... | sighing-like | general_qa | 83 |
The following is a multiple choice question (with answers).
===Question
There is a standard complete well with a radius of $r_{0}=0.36 \mathrm{m}$, an aquifer thickness of $H=7 \mathrm{m}$, a soil permeability coefficient $k=0.0016 \mathrm{m/s}$, and a water depth in the well of $h=4 \mathrm{m}$. Try to calculate the d... | $$
0. 0 2 4 m^{3} / \mathrm{s}
$$ | general_qa | 316 |
The following is a multiple choice question (with answers).
===Question
Show by using Gauss' Law that the force exerted on a mass placed in a deep hole in the earth is due to the matter in the spherical portion below the hole. Find the force on 1 kg at a depth of 1/4 and 1/2 of the radius of the earth, assuming that th... | 7.35 Newton's, 4.9 Newton's | general_qa | 231 |
The following is a multiple choice question (with answers).
===Question
A 1 litre solution of $pH=1$ is diluted upto 10 times. What volume of a solution with $pH=2$ needs to be added in diluted solution so that the final pH remains '2'?
===Choices
30 litre
15 litre
100 litre
5 litre
10 litre
25 litre
50 litre
75 litre... | 25 litre | general_qa | 107 |
The following is a multiple choice question (with answers).
===Question
The following are essential amino acids: ().
===Choices
Glycine, cysteine, proline, serine
Glycine, arginine, asparagine, lysine
Threonine, phenylalanine, tryptophan, valine
Alanine, threonine, glycine, valine
Proline, serine, tyrosine, histidine
... | Threonine, phenylalanine, tryptophan, valine | general_qa | 170 |
The following is a multiple choice question (with answers).
===Question
The following plants are called "pine" but are not true pines( ).
===Choices
Elder Spruce
Qiao Song
Arctic Fir
Mount Hua Pine
Southern Pine
White Pine
Luo Han Song
Western Hemlock
Red Cedar
Oriental Spruce | Luo Han Song | general_qa | 74 |
The following is a multiple choice question (with answers).
===Question
The sound produced by the vibrations of various parts of the sounding body is called
===Choices
Fundamental
Compound tone
Overtone
Overtone series | Overtone | general_qa | 47 |
The following is a multiple choice question (with answers).
===Question
A 36-year-old woman comes to the clinic because of tearing and a foreign body sensation in her eyes bilaterally, which has gradually worsened over the last several weeks. She also notes having occasional palpitations, nervousness, sweating, and hea... | Treatment with radioactive iodine | general_qa | 266 |
The following is a multiple choice question (with answers).
===Question
We now define an algorithm: The definition of a(n) is the Molien series for the complex 4-dimensional Clifford group of order 92160 and genus 2. It is also the Molien series of the ring of biweight enumerators of Type II self-dual binary codes. Giv... | [816, 874, 928, 979, 1044, 1105, 1163, 1235, 1303, 1368] | general_qa | 698 |
The following is a multiple choice question (with answers).
===Question
In the figure, an air lens of radii of curvature 10 $ \mathrm{cm}\left(R_{1}=R_{2}=10 \mathrm{cm}\right) $ is cut in a cylinder of
glass $ (\mu=1.5) $. The focal length and the nature of the lens is
===Choices
$ 15 \mathrm{cm}, $ concave
20 \mat... | $ 15 \mathrm{cm}, $ concave | general_qa | 166 |
The following is a multiple choice question (with answers).
===Question
The nucleus of a hydrogen atom, a proton, has a magnetic moment. In a magnetic field, the proton has two states of different energy; spin up and spin down. This is the basis of proton NMR. The relative populations can assume be given by the Boltzma... | $$
1. 1 9 \times1 0^{-2}
$$ | general_qa | 389 |
The following is a multiple choice question (with answers).
===Question
What is the metastasis formed when gastric cancer pain cells penetrate the serosa and fall off on the peritoneum?
===Choices
Gastric relocation
Gastric diffusion
Serosa invasion
Peritoneal attachment
Epithelial migration
Serous diffusion
Epithelia... | Implantation transfer | general_qa | 90 |
The following is a multiple choice question (with answers).
===Question
The mass of octane, $C_{8}H_{18}(l)$ is______, that must be burned in air to evolve the same quantity of energy as produced by the fusion of $1. 0 \ \mathrm{g}$ of hydrogen in the fol- lowing fusion reaction:
$$
4^{1}_{1} \longrightarrow\mathrm{^{4... | $$
1. 4 \, \times\, 1 0^{4} \mathrm{~ k g ~ C_{8} H_{1 8} ~}
$$ | general_qa | 551 |
The following is a multiple choice question (with answers).
===Question
Under the conditions of 25°C and a total pressure of 101.3 kPa, the phase equilibrium relationship of the ammonia-water solution is $p_{e}=93.90x \text{ kPa}$. Determine the phase equilibrium constant $m$.
===Choices
0.8952
1.0896
0.9269
1.1345
0.... | 0.9269 | general_qa | 145 |
The following is a multiple choice question (with answers).
===Question
Consider the function $x(e)$ defined for all positive integers $e$. This function counts the number of 1's that appear when you write $2023 \cdot e$ in binary notation. What is the smallest possible output of $x(e)$?
===Choices
10
8
2
4
1
6
7
5
9
... | 3 | general_qa | 91 |
The following is a multiple choice question (with answers).
===Question
Who was the first person in film history to steer cinema towards drama?
===Choices
Griffith
Welles
Pudovkin
Hawks
Godard
Méliès
Renoir
Murnau
Kuleshov
Eisenstein | Méliès | general_qa | 69 |
The following is a multiple choice question (with answers).
===Question
A rod of length l is standing vertically frictionless surface. It is disturbed slightly from this position. Let and be the angular speed and angular acceleration of the rod, when the rod turns through an angle with the vertical. If the peed of c... | $$v = \frac{{l\omega }}{2}\cos \theta $$ | general_qa | 215 |
The following is a multiple choice question (with answers).
===Question
In the 2021 research paper titled "EEG-Based Driving Fatigue Detection Using a Two-Level Learning Hierarchy Radial Basis Function" by Ziwu Ren et al., what was the mean accuracy of the proposed RBF-TLLH approach for fatigue vs. alert classification... | 92.71% | general_qa | 136 |
The following is a multiple choice question (with answers).
===Question
Who was the Minister of War as part of Brisson's 1st Ministry, 6 April 1885 - 7 January 1886?
===Choices
Jean-Baptiste Campenon
Charles-François Dumouriez
Julius Caesar
Pierre-Auguste Lajard
Charles-Alexis-Alexandre
Joseph Servan
Pierre-Marie de G... | Jean-Baptiste Campenon | general_qa | 131 |
The following is a multiple choice question (with answers).
===Question
After wrapping asbestos, the temperature of the furnace wall is 800°C, the temperature of the interface between refractory materials and building materials is 686°C, the temperature of the interface between building materials and asbestos is 405°C,... | 42.5% | general_qa | 152 |
The following is a multiple choice question (with answers).
===Question
Given the square $z_{1} z_{2} z_{3} z_{4}$ with opposite vertices $z_{1} (0, -1)$ and $z_{3} (2, 5)$, find the coordinates of vertices $z_{2}$ and $z_{4}$.
===Choices
$$
( 4, 0 )
$$
$$
( -2, 1 )
$$
$$
( 2, 1 )
$$
$$
( 0, -3 )
$$
$$
( 3, 0 )
$$
$$
... | $$
( 4, 1 )
$$
$$
(-2, 3 )
$$ | general_qa | 299 |
The following is a multiple choice question (with answers).
===Question
BigTable is a distributed storage system designed to manage large-scale () data, which can scale to petabytes of data and thousands of servers.
===Choices
Multimedia
Streaming
Binary
Text
Graphics
Structure
Semi-structured
Time series
Unstructured... | Structure | general_qa | 70 |
The following is a multiple choice question (with answers).
===Question
What is the term for a set of operations that define the service provided by a class or component?
===Choices
Relationship
Function
Method
Operation
Service Definition
None of the other choices
Use Case
Actor
Service Operation
Interface | Use Case | general_qa | 63 |
The following is a multiple choice question (with answers).
===Question
When the CREATE INDEX command is used to create an index, FILLFACTOR defines ().
===Choices
Update frequency of the index
Sequence of index keys
Index page fill rate
Data compression ratio
Fill factor
The initial size of the index
Bit error rate
I... | Fill factor | general_qa | 83 |
The following is a multiple choice question (with answers).
===Question
In the control system,
$$
G(s) = \frac{K \big(s^2 + 6s + 10\big)}{s^2 + 2s + 10}, \qquad H(s) = 1
$$
the root locus of this system is an arc of a circle centered at the origin. What is the radius of the arc?
===Choices
$$
\sqrt{7} \
$$
$$
\sqrt{2 ... | $$
\sqrt{1 0} \
$$ | general_qa | 211 |
The following is a multiple choice question (with answers).
===Question
How many solutions does the equation $\sin x = \frac{x}{100}$ have?
===Choices
35
12
40
15
7
31
10
23
48
50 | 31 | general_qa | 65 |
The following is a multiple choice question (with answers).
===Question
What is the main viewpoint of Jia's "Comparative Literature"?
===Choices
Comparative literature directs the emergence of international
Comparative literature teaches the landscape of international literary distinctions. Comparative literature inte... | Comparative literature is the history of international literary relations. Comparative literature scholars stand at the boundaries of literature between two or more languages or nations, examining the various exchanges of themes, ideas, works, or emotions. | general_qa | 313 |
The following is a multiple choice question (with answers).
===Question
Kelvin the Frog is a triangle, so he likes triangular numbers. Specifically Frog's absolute favorite number involves every single triangular number, the infinite sum $S$ defined as
$$$S = \sum^{\infty}_{i=1}\frac{T_i}{3^{i-1}} = T_1 +\frac{T_2}{3}+... | 35 | general_qa | 169 |
The following is a multiple choice question (with answers).
===Question
In leveling measurement, point A is the backsight, and point B is the foresight. The elevation of point A is $H_{A}$, with a backsight reading of $a$ and a foresight reading of $b$. Then the elevation of point B is ( ).
===Choices
$$
H_{A}+b-a
$$
... | $$
H_{A}+a-b
$$ | general_qa | 187 |
The following is a multiple choice question (with answers).
===Question
In a fiber grating, what parameter determines the reflected wavelength of the grating?
===Choices
Fiber Diameter
Core Refractive
Optical Couplers
Core Thickness
Light Detectors
Fiber Length
Light Intensity
Material Density
Signal Amplitude | Light Detectors | general_qa | 69 |
The following is a multiple choice question (with answers).
===Question
We now define an algorithm: The definition of a(n) is: Square array of pyramidal numbers in three dimensions, read by antidiagonals. Note that pyramidal numbers, also known as square pyramidal numbers, represent sums of squares of natural numbers. ... | [42, 90, 155, 231, 308, 372, 405, 385, 286, 78] | general_qa | 602 |
The following is a multiple choice question (with answers).
===Question
Daily per capita water consumption is -
===Choices
170-220 litres
200-2501itres
100-150 litres
150-200 litres
125-175 litres
175-225 litres
50-100 litres
140-190 litres
250-300 litres
160-210 litres | 150-200 litres | general_qa | 114 |
The following is a multiple choice question (with answers).
===Question
Two monochromatic sources of electromagnetic wave, P and Q emit waves of wavelength $\lambda = 20 m$ and separated by $5m$ as shown. A, B and C are three points where interference of these waves is observed. If phase of a wave generated by P is ah... | intensities at A, B and C are in the ratio 1 : 2 : 0 respectively. | general_qa | 311 |
The following is a multiple choice question (with answers).
===Question
A voltmeter has an internal resistance $r$ and can measure up to $v$ volts. A high resistance $R$ is connected in series with it and now it is able to measure up to $V$ volts. Then which of the following is the correct relation between the $r,R,v$ ... | $$\frac{v}{R}=\frac{V-v}{r}$$ | general_qa | 274 |
The following is a multiple choice question (with answers).
===Question
Among the following options, which description of "interference" is correct?
===Choices
Damage to cell membranes, adaptability of organisms or species, and effects on energy, light convertibility, or any event relating to meteorological conditions... | Destruction of ecosystems, communities, or population structures, and altering the availability of resources or substrates. Or any event that is relatively discontinuous over time in the physical environment. | general_qa | 386 |
The following is a multiple choice question (with answers).
===Question
Red fruit is dominant over yellow fruit, two-chamber fruit is dominant over multi-chamber fruit, and long vines are dominant over short vines. A breeder has pure lines of red fruit, two-chamber, short vines, and yellow fruit, multi-chamber, long vi... | 9/64,1/9 | general_qa | 237 |
The following is a multiple choice question (with answers).
===Question
26 years old, pregnant: missed period for 8 weeks, diagnosed with early pregnancy, requests abortion. Examination: uterus size corresponds to 50 days of pregnancy, right fallopian tube is thickened with obvious tenderness, white blood cell count is... | After anti-inflammatory treatment, the uterus is aspirated to cause miscarriage | general_qa | 199 |
The following is a multiple choice question (with answers).
===Question
The patient exhibits obvious destructive behavior, indiscriminately targeting property and unable to stop despite persuasion. The risk assessment level is ( ).
===Choices
level 1
level 3
level 8
level 10
level 5
level 4
level 2
level 7
level 6
lev... | level 3 | general_qa | 83 |
The following is a multiple choice question (with answers).
===Question
Indicate whether the statement is true or false.
$$
a \div(b \div c)=(a \div b) \div c
$$
===Choices
False
True
True if \\( b = 0 \\)
True if \( a = 0 \)
True if \( a = c \)
True if \\( c = 0 \\)
True if \( b = 1 \)
True if \( a = 1 \)
True if \\(... | False | general_qa | 125 |
The following is a multiple choice question (with answers).
===Question
An aircraft is flying 10 kilometers from a certain radio station, receiving a signal strength of $S=10 \mu\mathrm{W / m^{2}}$ from the station. What is the transmission power of the radio station (assuming the transmission is isotropic and ignoring... | $$
1. \, 3 \times1 0^{4} \, \mathrm{~W}
$$ | general_qa | 338 |
The following is a multiple choice question (with answers).
===Question
Reciprocating cutter mainly consists of power blade, fixed blade, cutter bar, edge guard, ____, etc.
===Choices
cooling fan
grip handle
engine turbine
presser blade
safety latch
adjustment knob
power switch
lever arm
cutting wire
height regulator | presser blade | general_qa | 76 |
The following is a multiple choice question (with answers).
===Question
When cells grow, they need to expand their cell membrane. Through which of the following life activities can this be achieved?
===Choices
Migration
Fermentation
Autophagy
Endocytosis
Exocytosis
Apoptosis
Osmosis
Photosynthesis
Division
Phagocytosi... | Exocytosis | general_qa | 79 |
The following is a multiple choice question (with answers).
===Question
A contractor has found through experience that the low bid for a job (excluding his own bid) is a random variable that is uniformly dis-tributed, over the interval ( 3c / 4 , 2c) where c is the contractor's cost estimate (no profit or loss) of the ... | k = (3c / 2) | general_qa | 224 |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.