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 following descriptions of representatives and their works in Russian critical literature are correct:
I. In The Fatal Eggs (Роковые яйца), the protagonist is Persikov. The work not only mocks and punishes those who violate science and natural l... | I and II and III and IV and V and VI | general_qa | 475 |
The following is a multiple choice question (with answers).
===Question
The atom of positronium consists of an electron and a positron rotating around their common center of mass. Assume that the total angular momentum of this system is quantized. Using classical theory, calculate the minimum possible radius of the cir... | 5.3 | general_qa | 104 |
The following is a multiple choice question (with answers).
===Question
In the reaction of iron ore reduction with CO, at 1173K, $k_{1}=2.978 \times 10^{-2} \ \mathrm{s}^{-1}$, and at 1273K, $k_{2}=5.623 \times 10^{-2} \ \mathrm{s}^{-1}$. Calculate: the activation energy of the reaction; the value of $k$ at 1673K; the ... | $$
7 8 9 2 3 \mathrm{~ J / m o l ~},3. 3 1 \times1 0^{-1} \quad\mathrm{s}^{-1},1. 5 2 \mathrm{\ \ s}^{-1}
$$ | general_qa | 837 |
The following is a multiple choice question (with answers).
===Question
For how many positive integral values of x ≤ 100 is 3^x − x^2 divisible by 5?
===Choices
15
45
35
20
50
55
30
25
40
10 | 20 | general_qa | 73 |
The following is a multiple choice question (with answers).
===Question
In which year did Cha Liangjian start serving as the Minister of Judicial Administration of the Republic of China?
===Choices
1968
1961
1964
1966
1963
1967
1970
1965
1969
1962 | 1967 | general_qa | 88 |
The following is a multiple choice question (with answers).
===Question
Although the gradient, divergence, and curl theorems are the fundamental in- tegral theorems of vector calculus, it is possible to derive a number of corollaries from them. Show that:$\int_{\mathcal{V}} ( \nabla T ) \, d \tau\,=\, \oint_{\mathcal{S... | $$
\int T \, d \mathbf{a}.
$$ | general_qa | 279 |
The following is a multiple choice question (with answers).
===Question
The viscosity of a certain polystyrene sample at 160°C is $8.0 \times 10^{2} \, \mathrm{Pa} \cdot \mathrm{s}$. Estimate its viscosity at the glass transition temperature of 120°C.
===Choices
$$
2. 9 8 \times1 0^{9} \ \ ( \mathrm{P a} \cdot\mathrm{... | $$
2. 5 6 \times1 0^{7} \ \ ( \mathrm{P a} \cdot\mathrm{s} )
$$ | general_qa | 415 |
The following is a multiple choice question (with answers).
===Question
Oliguria with short, red, and hot urine, abdominal distension, bitter and sticky mouth, red tongue with yellow greasy coating, rapid pulse. The treatment method is ()
===Choices
Clearing damp-heat, promoting urination and regulating qi
Clearing an... | Clearing damp-heat, promoting urination | general_qa | 189 |
The following is a multiple choice question (with answers).
===Question
What is the actual deposition of the delta?
===Choices
Fully continental and aeolian
Exclusively terrestrial and alluvial
Predominantly marine and alluvial
Principally lacustrine and marine
Predominant marine and estuarine
Majorly estuarine and te... | Mixed marine and continental | general_qa | 106 |
The following is a multiple choice question (with answers).
===Question
Set $f (x) = x ^ {3} + (1 + t) x ^ {2} + 2 x + 2 u$ and $g (x) = x ^ {3} + t x+ u$ the greatest common factor is a quadratic polynomial, How many possible values of $t$ and $u$ are there?
===Choices
$$7
$$
$$6
$$
$$5
$$
$$10
$$
$$8
$$
$$9
$$
$$4
$... | $$4
$$ | general_qa | 141 |
The following is a multiple choice question (with answers).
===Question
Spinel is a mineral that contains 37.9% Al, 17.1 % Mg, and 45.0% O, by mass, and has a density of 3.57 g/cm³. The unit cell is cubic, withan edge length of 809 pm. How many atoms of each type are in the unit cell?
===Choices
12 Al atoms, 14 Mg ato... | 16 Al atoms, 8 Mg atoms, and 32 O atoms. | general_qa | 270 |
The following is a multiple choice question (with answers).
===Question
Which of the following is unrelated to the expenditure multiplier after joining a government department?
===Choices
Marginal propensity to consume
Impact of wage rate on labor supply
Government spending on public services
Total governmental revenu... | Sensitivity of investment to interest rate | general_qa | 92 |
The following is a multiple choice question (with answers).
===Question
What types of ocean reverberation can be distinguished? What are the attenuation rules for each type of reverberation intensity over time?
===Choices
Layer reverberation and zone reverberation. The intensity of layer reverberation wanes with the s... | Volume reverberation and interface reverberation. The intensity of volume reverberation decays with the square of time, while the intensity of interface reverberation decays with the cube of time. | general_qa | 455 |
The following is a multiple choice question (with answers).
===Question
what is the value of $\int_{0}^\pi (sin(123*x/2)/sin(x/2))^2dx$? Round the answer to the thousands decimal.
===Choices
123.4567890
789.0123456
987.6543210
61.7039449
654.3210987
246.9135780
159.2356688
386.4158898
512.3456789
456.7890123 | 386.4158898 | general_qa | 174 |
The following is a multiple choice question (with answers).
===Question
Given the system's transfer function $G(s)=\frac{1}{s^2+5s+6}$, the damping ratio of the system is
===Choices
0.64
0.73
0.92
0.59
1.15
1.00
0.21
0.40
0.35
0.50 | 0.21 | general_qa | 99 |
The following is a multiple choice question (with answers).
===Question
Division of (131B6C3) base 16 by (A2F) base 16 yeilds ____.
===Choices
3AC
8AE
6AE
4AF
7AD
5AB
DAD
BAD
9AD
1AD | 9AD | general_qa | 75 |
The following is a multiple choice question (with answers).
===Question
Two square metallic plates of $1$m side are kept $0.01$ m apart, like a parallel plate capacitor, in air in such a way that one of their edges is perpendicular to an oil surface in a tank filled with insulating oil. The plates are connected to a ba... | $4.425\times 10^{-9}A$. | general_qa | 324 |
The following is a multiple choice question (with answers).
===Question
In which year was the Hong Kong Linguistic Society officially established?
===Choices
1981
1980
1985
1983
1986
1982
1984
1988
1987
1989 | 1986 | general_qa | 79 |
The following is a multiple choice question (with answers).
===Question
Which of the following is the key problem this course put an emphasis on?
===Choices
The segmentation of data issues in software development
The analysis of numeral problems in algorithm operation
The creation of geometric algorithms in computer s... | The division of geometric problems in algorithm design and analysis | general_qa | 119 |
The following is a multiple choice question (with answers).
===Question
Find all natural numbers that satisfy $3^{m}-1$ being divisible by $2^{m}$.
===Choices
3,5,7
1,4,5
2,5,6
1,3,5
2,4,6
1,2,4
1,3,4
2,3,5
2,3,4
1,2,3 | 1,2,4 | general_qa | 98 |
The following is a multiple choice question (with answers).
===Question
BHT is currently one of the most commonly used antioxidants, and it has a remarkable synergistic effect with BHA, vitamin C, ___, ____, and others.
===Choices
nitric acid, succinic acid
acetic acid, oxalic acid
malic acid, ascorbic acid
citric aci... | citric acid, phytic acid | general_qa | 137 |
The following is a multiple choice question (with answers).
===Question
A solid is cut out of a sphere of radius 2 by two parallel planes each 1 unit from the center. The volume of this solid is
===Choices
14π
32π/3
25π/3
30π/3
20π
40π/3
22π/3
16π/3
28π/3
8π | 22π/3 | general_qa | 100 |
The following is a multiple choice question (with answers).
===Question
Two candidates are running for President. Candidate A has already received 80 electoral votes and only needs 35 more to win. Candidate B already has 50 votes, and needs 65 more to win.
Five states remain to be counted. Winning a state gives a candi... | 26 | general_qa | 153 |
The following is a multiple choice question (with answers).
===Question
Regular octahedron $ABCDEF$ (such that points $B$ , $C$ , $D$ , and $E$ are coplanar and form the vertices of a square) is divided along plane $ \mathcal{P} $ , parallel to line $ BC $ , into two polyhedra of equal volume. The cosine of the acute a... | 600 | general_qa | 196 |
The following is a multiple choice question (with answers).
===Question
At spark timing (30° BTC) in an automobile spark-ignition engine (with $\mathrm{b o r e}=\mathrm{stroke}=8 5$ mm and $r_{c}=9$ ) at 2000 rev/min, operating on gasoline, the cylinder pressure is 7.5 atm and the mixture temperature is 650 K. The fuel... | 5.7 m/s, 20 m/s | general_qa | 297 |
The following is a multiple choice question (with answers).
===Question
On what date, month, and year was the Jonas Mekas Visual Arts Center opened by avant-garde filmmaker Jonas Mekas with its premiere exhibition entitled "The Avant-Garde: From Futurism to Fluxus"?
===Choices
November 25, 2006
May 27, 2008
February 1... | March 15, 2007 | general_qa | 172 |
The following is a multiple choice question (with answers).
===Question
In which year did Henri Bergson win the Nobel Prize in Literature?
===Choices
1922
1929
1920
1924
1928
1921
1923
1926
1925
1927 | 1927 | general_qa | 80 |
The following is a multiple choice question (with answers).
===Question
The retention time of short-term memory is ___.
===Choices
Within seconds
A few days
A few hours
Several months
A year
Several weeks
About 1 hour
A month
Within 1 minute
Several days | Within 1 minute | general_qa | 62 |
The following is a multiple choice question (with answers).
===Question
What role can ZHMn55-3-1 play in processing 1% iron in cast brass?
===Choices
Enhance ductility for thermal applications
Refine the organization to improve mechanical performance
Optimize the color consistency for aesthetic purposes
Alter the allo... | Refine the organization to improve mechanical performance | general_qa | 111 |
The following is a multiple choice question (with answers).
===Question
Find time period of a solid sphere about tangential axis
===Choices
T=2\pi\sqrt{\dfrac{2R}{3g}}
$$T=2\pi\sqrt{\dfrac{5R}{7g}}$$
T=2\pi\sqrt{\dfrac{3R}{5g}}
T=2\pi\sqrt{\dfrac{5R}{3g}}
T=2\pi\sqrt{\dfrac{7R}{2g}}
T=2\pi\sqrt{\dfrac{4R}{3g}}
T=2\pi\... | $$T=2\pi\sqrt{\dfrac{3R}{2g}}$$ | general_qa | 210 |
The following is a multiple choice question (with answers).
===Question
A vertical U-tube contains mercury in both its arms. A glycerine $ (density 1.3 g cm^{-3} ) $ column of length 10 cm is introduced into one of the arms. Oil of density $ 0.8 g cm^{-3} $ and glycerine are at the same level. The length of the oil col... | 9.6 cm | general_qa | 162 |
The following is a multiple choice question (with answers).
===Question
A uniform rigid bar of weight W and length l is maintained in a horizontal equilibrium position by a vertical spring at its end whose modulus is given as k. The other end of the bar is pinned to the wall. If the bar is depressed slightly and releas... | \textthetä + (3gk / W) \texttheta = 0 | general_qa | 298 |
The following is a multiple choice question (with answers).
===Question
The value of the sum
$$$\sum^{\infty}_{n=1} \frac{(7n + 32) \cdot 3^n}{n \cdot (n + 2) \cdot 4^n}$$$
can be expressed in the form $\frac{p}{q}$ , for some relatively prime positive integers $p$ and $q$ . Compute the value of $p + q$ .
===Choices
3... | 35 | general_qa | 132 |
The following is a multiple choice question (with answers).
===Question
Two waves of light in air have the same wavelength and are initially in phase. They then travel through plastic layers with thickness of $L_{1}=3.5mm$ and $L_{2}=5.0mm$ and indices of refraction $n_{1}= 1.7$ and $n_{2}=1.25$ as shown in the figure... | $$1.2\mu m$$ | general_qa | 197 |
The following is a multiple choice question (with answers).
===Question
Given parameters: Reactor power = $100\%$ FP, total power coefficient = $-0.020\% \Delta k / k / \%$FP, initial boron concentration = $500 \, \text{ppm}$, boron worth = $-0.010\% \Delta k / k / \text{ppm}$, control rod worth = $-0.010\% \Delta k / ... | $$590~\mathrm{p p m}$$ | general_qa | 307 |
The following is a multiple choice question (with answers).
===Question
When the cumulative amount of water entering the oil zone is certain, the greater the oil-water viscosity ratio, ( ).
===Choices
the greater the capillary force at the oil-water boundary
the larger the oil density at the oil-water interface
the hi... | the smaller the water saturation of the oil-water leading edge | general_qa | 147 |
The following is a multiple choice question (with answers).
===Question
The core function of forest ecological engineering is ( ).
===Choices
Encouraging agricultural practices
Elevating tourism potential
Reducing air pollution
Establishing urban development
Enhancing hydrological conditions
Implementing modern techno... | Enhancing hydrological conditions | general_qa | 79 |
The following is a multiple choice question (with answers).
===Question
The weight per unit volume of liquid is called the () of the liquid, and its unit is ().
===Choices
Bulk density ; N/m²
Fluid density ; kg/m²
Density ; kg/m ³
Mass ratio ; N/M ³
Volume density ; N/M ³
Density ; N/m ³
Bulk density ; N/M ³
Volume de... | Bulk density ; N/M ³ | general_qa | 111 |
The following is a multiple choice question (with answers).
===Question
Let the curve $L$ lie in the first quadrant of the plane $x O y$, the tangent line at any point $M$on $L$ always intersects the $y$ axis, and the intersection point is denoted as $A$. Known $\left| \overline{{{M A}}} \right|=\left| \overline{{{O A}... | $$ y=\sqrt{3 x-x^{2}} ( 0 < x < 3 ) $$ | general_qa | 358 |
The following is a multiple choice question (with answers).
===Question
How many years old are the cities of the Harappan Civilization believed to be?
===Choices
2500
4700
4800
4300
4600
4550
4100
4500
4400
3100 | 4600 | general_qa | 83 |
The following is a multiple choice question (with answers).
===Question
Which of the following medicinal herbs needs to be charred using a closed calcination method?
===Choices
Leaves of Chinese Arborvitae
Cattail Pollen
Great Thistle
Marshmallow Root
Lady's Mantle
Small Thistle
Clove Bud
Dandelion Root
Juncus effusus... | Juncus effusus | general_qa | 86 |
The following is a multiple choice question (with answers).
===Question
There is a freon-22 refrigeration device with an evaporation temperature of $$t_0 = -20°C$$, and the refrigerant circulation amount is $q_m = 300 \text{kg/h}$. The compressor is set to inhale dry saturated steam, and how large should the inner diam... | 0.14m | general_qa | 160 |
The following is a multiple choice question (with answers).
===Question
A 32-year-old woman, married for 8 years, has not conceived. She usually has menstrual periods lasting 6 to 7 days every 30 days. She has missed her period for 60 days and has experienced irregular vaginal bleeding accompanied by dull pain in the l... | Ectopic Pregnancy in the Fallopian Tube | general_qa | 266 |
The following is a multiple choice question (with answers).
===Question
Which harmonic major or minor mode could the following diminished triad possibly belong to?
L:1/4
M:4/4
K:C
[F_A_c]4 |] %1
===Choices
♭E harmonic major and ♭e harmonic minor
♭g harmonic minor
♭G harmonic major
All of the above | All of the above | general_qa | 83 |
The following is a multiple choice question (with answers).
===Question
What type of error is the stability of an algorithm related to?
===Choices
Sampling Bias
Calculation Discrepancy
Variable Mismatch
Instrumental Noise
Error of Prediction
Theoretical Imbalance
Observational Error
Analytical Fluctuation
Calibration ... | Observational Error | general_qa | 75 |
The following is a multiple choice question (with answers).
===Question
Although '诗携' in the '晨报副刊' was only published for 11 issues, it cultivated a group of young poets. Besides Xu Zhimo, Wen Yiduo, Liu Mengwei, Rao Mengkan, and Sun Dayu, who else was among them?
===Choices
Liang Zongdai
Dai Wangshu
Li Jinfa
Zhu Xia... | Zhu Xiang | general_qa | 107 |
The following is a multiple choice question (with answers).
===Question
A gravity retaining wall is 6.1 meters high, with a vertical, smooth back, and a level backfill surface. The backfill consists of medium sand, with an internal friction angle of 30° and a unit weight of $17.3\mathrm{kN/m^{3}}$. Try using the wedge ... | $$
1 0 7. 2 \mathbf{k N} / \mathbf{m}
$$ | general_qa | 345 |
The following is a multiple choice question (with answers).
===Question
A 38-year-old man comes to the physician because of a 3-week history of a painful rash affecting his left foot. For the past 2 years, he has had recurrent episodes of color changes in his fingers when exposed to the cold; his fingers first turn whi... | Segmental thrombosing inflammation with sparing of the internal elastic lamina | general_qa | 333 |
The following is a multiple choice question (with answers).
===Question
Consider a language with two object constants a and b and one function constant f. For each of the following sentences in this language, say which of the alternatives shown is its clausal form.
1. ∃y.∀x.p(x,y)
A. {p(a, y)}
B. {p(c, y)}
C. {p(x, b... | D,F,D,E,E | general_qa | 526 |
The following is a multiple choice question (with answers).
===Question
During the breeding season, male muntjacs exhibit a behavior of spraying urine onto their own bodies, which elicits sniffing responses from other individuals. Therefore, the function of this urine-spraying behavior is most likely related to which o... | It is a signal indicating the state of estrus. | general_qa | 151 |
The following is a multiple choice question (with answers).
===Question
Which characteristics in natural systems can serve as evidence and indicators that the system has reached a state of equilibrium?
===Choices
(1) The repetitive occurrence of mineral assemblages in time and space,
(2) Specific chemical compositions... | (1) The repetitive occurrence of mineral assemblages in time and space,
(2) Specific chemical compositions of mineral assemblages change according to their formation conditions,
(3) The number of main minerals in common rocks (ores) is limited. | general_qa | 455 |
The following is a multiple choice question (with answers).
===Question
Arrange the following compounds in increasing order of reactivity towards the addition of HBr,RCH = CHR ,$CH_{ 2 }$ = $CH_{ 2 }$,$ R_{ 2 }C$ = CHR, $ R_{ 2 }C$ = $CR_{ 2 }$
===Choices
$RCH$ = $CHR$ < $ { R }_{ 2 }C$ = $ { CR }_{ 2 }$ < $ { R... | ${ R }_{ 2 }C$=$CHR$<$RCH$=$CHR$<${ CH }_{ 2 }$ = ${ CH }_{ 2 }$<${ R }_{ 2 }C$ =$ { CR }_{ 2 }$ | general_qa | 483 |
The following is a multiple choice question (with answers).
===Question
The urban renovation of Paris reflects the influence of _____, forming radial streets with symmetrical axes, magnificent palaces, and orderly symmetrical public squares.
===Choices
Byzantine architecture
Renaissance ideals
Ancient Roman style
Mode... | Classical thought | general_qa | 89 |
The following is a multiple choice question (with answers).
===Question
Given that the standard value of axial force at the ±0.00 elevation of the strip foundation under the wall is $F=400 \mathrm{kN/m}$, with a burial depth of 2.65m and an indoor-outdoor height difference of 0.45m, the corrected characteristic value o... | 1.84,600 | general_qa | 288 |
The following is a multiple choice question (with answers).
===Question
On the wind analysis chart at high altitude, the maximum thermal wind is located between 2km and 3km, and the wind direction at 2km is 350 with a speed of 15m/s, and the wind direction at 3km is 230 with a speed of 25m/s. What can you tell about th... | cold front | general_qa | 135 |
The following is a multiple choice question (with answers).
===Question
Given the velocity potential function of an incompressible flow in a plane \( \varphi = 0.04x^3 + axy^2 + by^3 \), where the units of \( x \) and \( y \) are m, and the unit of \( \varphi \) is m^2/3, and the density of the fluid is 1000 kg/m^3, th... | the velocity at point A (0, 0) is 0 | general_qa | 308 |
The following is a multiple choice question (with answers).
===Question
Which of the following geochemical processes has the greatest impact on the migration and enrichment of elements?
===Choices
Hydrothermal action
Thermal diffusion
Surface erosion
Thermal convection
Hydrothermal action enhanced by chemical weatheri... | Hydrothermal action | general_qa | 96 |
The following is a multiple choice question (with answers).
===Question
Marine organisms can be divided into three main categories based on their lifestyle: benthos, nekton, and ____.
===Choices
aquatic plants
cetaceans
seaweed
corals
mollusks
sponges
algae
reef fish
plankton
crustaceans | plankton | general_qa | 83 |
The following is a multiple choice question (with answers).
===Question
$\mathsf{p}$ Static stability parameter in the coordinate system $\sigma_{s}=$ ____.
===Choices
$-\eta\; \frac{\partial\operatorname{l n} \xi} {\partial\mathbf{p}}$
$-\beta\; \frac{\partial^2\operatorname{l n} \sigma} {\partial\mathbf{p}^2}$
$-\th... | $-\alpha\; \frac{\partial\operatorname{l n} \theta} {\partial\mathbf{p}}$ | general_qa | 316 |
The following is a multiple choice question (with answers).
===Question
For the reaction $X_{2}O (l) \rightarrow 2XO_{2}(g); \triangle E = 2.1 kcal , \triangle S = 20 cal-K^{-1}$ at 300 K is
===Choices
-2.1 kcal
9.3 kcal
2.7 kcal
-9.2 kcal
-9.3 kcal
-9.5 kcal
-9.4 kcal
-2.7 kcal
2.1 kcal
-2.3 kcal | -9.3 kcal | general_qa | 126 |
The following is a multiple choice question (with answers).
===Question
A certain core-compressed reinforced brick column has a cross-sectional dimension of $490 \, \mathrm{mm} \times 490 \, \mathrm{mm}$, with an effective height of $H_{0} = 4900 \, \mathrm{mm}$. It is constructed using MU10-grade sintered ordinary bri... | 2.81 | general_qa | 335 |
The following is a multiple choice question (with answers).
===Question
Immunoglobulins used in Rx of
===Choices
Systemic Lupus Erythematosus
PAN
Malaria
Multiple Sclerosis
Chronic Inflammatory Demyelinating Polyneuropathy (CIDP)
Hemophilia
Polymyositis
Chronic Inflammatory Demyelinating Polyneuropathy
Myasthenia grav... | Myasthenia gravis | general_qa | 94 |
The following is a multiple choice question (with answers).
===Question
The is production layers included in the grass industry are the pre-plant production layer, the plant production layer, the ____ and the post-biotic production layer.
===Choices
grain production layer
flower production layer
animal production laye... | animal production layer | general_qa | 90 |
The following is a multiple choice question (with answers).
===Question
A road of radius $20m$ is banked for vehicles going at speed of $10m/s$. The road has sufficient friction to prevent slipping. A vehicle of $200Kg$ moves on this road. Take $g=10m/{s}^{2}$.
What will the magnitude and direction of friction on the v... | $500\sqrt{5}N$ upwards | general_qa | 241 |
The following is a multiple choice question (with answers).
===Question
In what year was the Logic Theorist computer program written?
===Choices
1954.
1951.
1952.
1955.
1959.
1958.
1953.
1957.
1950.
1956. | 1956. | general_qa | 80 |
The following is a multiple choice question (with answers).
===Question
Nozzle diameter d = 75mm, water pipe diameter D = 150mm, water gun tilt angle $\theta = 30°$, pressure gauge reading h = 3m water column. The jet diameter $d^{\prime}$ at the highest point is ().
===Choices
95mm
73mm
67mm
54mm
85mm
81mm
90mm
79mm
... | 81mm | general_qa | 116 |
The following is a multiple choice question (with answers).
===Question
$pH$ of $0.005\ M$ calcium acetate $(pK_{a}\ of\ CH_{3}COOH=4.74)$ Is
===Choices
$$7.12$$
$$9.26$$
$$7.09$$
$$9.37$$
$$7.04$$
$$8.34$$
$$8.28$$
$$7.14$$
$$8.26$$
$$8.37$$ | $$8.37$$ | general_qa | 124 |
The following is a multiple choice question (with answers).
===Question
What President nominated Elliott Fitch Shepard as United States Attorney for the Southern District of New York?
===Choices
William McKinley
Ulysses S. Grant
Andrew Johnson
Chester A. Arthur
Andrew Jackson
James K. Polk
James A. Garfield
Rutherford... | Rutherford B. Hayes | general_qa | 80 |
The following is a multiple choice question (with answers).
===Question
Consider isosceles right triangle $\triangle ABC$ with a right angle at $B$ . There exists a line $\ell$ such that the distances from $A$ , $B$ , and $C$ to $\ell$ are $81$ , $64$ , and $49$ , respectively, and $A$ , $B$ , and $C$ all lie on the sa... | 257 | general_qa | 156 |
The following is a multiple choice question (with answers).
===Question
It is claimed that lacquer ware was invented by a lacquer craftsman from which province during the Qing Dynasty in the Qianlong period?
===Choices
Shandong
Guangxi
Zhejiang
Fujian
Jiangsu
Hunan
Sichuan
Anhui
Guangdong
Jiangxi | Fujian | general_qa | 84 |
The following is a multiple choice question (with answers).
===Question
What is definition of Forest Dead Zone?
===Choices
The precise name for the endangered species found in certain forest habitats.
The specific phrase for the accumulation of non-degradable waste in a secluded
The specific category for the different... | The collective term for the current and previous years' litter and biological remains on the forest floor. | general_qa | 175 |
The following is a multiple choice question (with answers).
===Question
A 4.0-gm bullet is fired from a 5.0-kg gun with a speed of 600 m/sec. What is the speed of recoil of the gun?
===Choices
- 0.50 m/sec
- 0.48 m/sec
- 0.42 m/sec
- 0.60 m/sec
- 0.52 m/sec
- 0.45 m/sec
- 0.35 m/sec
- 0.40 m/sec
- 0.38 m/sec
- 0.55 m/... | - 0.48 m/sec | general_qa | 146 |
The following is a multiple choice question (with answers).
===Question
Steel bars set in the longitudinal joints of cement concrete pavements are called______.
===Choices
pull bars
load transfer units
structural bars
dowel bars
channel members
transmission bars
stabilization rods
reinforcement rods
tensile bars
reinf... | pull bars | general_qa | 74 |
The following is a multiple choice question (with answers).
===Question
The domain relational calculus expression is:$\mathrm{T}=\{\mathrm{x y} \, | \, \mathrm{R} ( \mathrm{x y} ) \vee\mathrm{S} ( \mathrm{x y} ) \wedge\mathrm{y} > 2 \}$.Which of the following describes the composition of relation T?
===Choices
The rel... | The relation composed of all tuples from R and the tuples from S where $y > 2$. | general_qa | 300 |
The following is a multiple choice question (with answers).
===Question
In meteorological observations, the pressure measured by a barometer at an observation station is called the 'station pressure' at that station. However, since the elevation of observation stations varies, the measured pressure is not easily compar... | 1018.3 hPa | general_qa | 230 |
The following is a multiple choice question (with answers).
===Question
Assuming you run a milk tea shop, under which of the following scenarios should you reluctantly close the shop?
===Choices
P is greater than ATC, which equals AVC.
MC is greater than P, which equals AVC.
P is less than AVC, which is less than ATC.... | P is less than AVC, which is less than ATC. | general_qa | 143 |
The following is a multiple choice question (with answers).
===Question
Solve the integral:
$$
\int \frac{ 6 }{ \cos(-4 \cdot x)^7 \cdot \sin(4 \cdot x) } \, dx
$$
===Choices
C + \frac{3}{2} \cdot \left( \frac{3}{2 \cdot \left( \cot(4 \cdot x) \right)^2} + \frac{3}{4 \cdot \left( \cot(4 \cdot x) \right)^4} + \frac{1}{... | C + \frac{3}{2} \cdot \left( \frac{3}{2 \cdot \left( \cot(4 \cdot x) \right)^2} + \frac{3}{4 \cdot \left( \cot(4 \cdot x) \right)^4} + \frac{1}{6 \cdot \left( \cot(4 \cdot x) \right)^6} - \ln\left( \left| \cot(4 \cdot x) \right| \right) \right) | general_qa | 515 |
The following is a multiple choice question (with answers).
===Question
What is the best time to stretch during strength training?
===Choices
During Training
Before Warming Up
Early Morning Sessions
Before Sleeping
In Between Sets
Before Exercising
After Training
Mid-Workout Break
Right After Lunch
Only On Weekends | After Training | general_qa | 69 |
The following is a multiple choice question (with answers).
===Question
Which of the following minerals is an essential trace mineral for ruminants?
===Choices
Iodine
Nickel
Zinc
Copper
Manganese
Selenium
Sodium
Iron
Molybdenum
Chlorine | Zinc | general_qa | 65 |
The following is a multiple choice question (with answers).
===Question
Consider the Hofmann ammonolysis reaction:If $R = {C}_{2}{H}_{5}$, the correct order of basic character of the above amines in aqueous medium is :
===Choices
$$ 3 > 2 > 1 > N{H}_{3}$$
$$ 2 > 3 > 1 > N{H}_{3}$$
$$3 > 2 > N{H}_{3} > 1$$
$$ N{H}_{3} ... | $$ 2 > 3 > 1 > N{H}_{3}$$ | general_qa | 199 |
The following is a multiple choice question (with answers).
===Question
In which of the following situations is the defendant's conduct most likely to make him criminally responsible for the victim's death?
===Choices
The defendant, a doctor, made a mistake during a routine surgery, causing the victim to need further ... | A defendant and a victim were driving to work together when the defendant, without provocation, stabbed the victim in the arm. The defendant then pushed him out of the car. The victim fell along the side of the street and fractured his ankle. Unable to move from the roadway, the victim was fatally crushed a half-hour l... | general_qa | 554 |
The following is a multiple choice question (with answers).
===Question
A car is going at a speed of $6m/s$, when it encounters a $15m$ slope of angle ${30}^{o}$. The friction coefficient between the road and tyre is $0.5$. The driver applies the brakes. The minimum speed of the car with which it can reach the bottom i... | $$7.49 m/s$$ | general_qa | 168 |
The following is a multiple choice question (with answers).
===Question
The relationship between the rotational molar entropy of CO and N₂ is().
===Choices
$\mathbf{S}_{\mathrm{m, r}} ( \mathbf{N}_{2} ) > \mathbf{T}_{\mathrm{m, r}} ( \mathbf{C O} )$
$\mathbf{S}_{\mathrm{m, r}} ( \mathbf{P}_{2} ) \leq \mathbf{S}_{\math... | $\mathbf{S}_{\mathrm{m, r}} ( \mathbf{C O} ) > \mathbf{S}_{\mathrm{m, r}} ( \mathbf{N}_{2} )$ | general_qa | 510 |
The following is a multiple choice question (with answers).
===Question
Lead poisoning increases the daily excretion of fecal porphyrin, which can be measured by fluorescence in urine ($405nm$ excitation, $595nm$ emission). Properly process a $0.5ml$ urine sample from a person suspected of lead poisoning, diluting it t... | $$
1 7 5 0 \ \mu\mathrm{g} / 2 4 \ \text{hours}
$$ | general_qa | 536 |
The following is a multiple choice question (with answers).
===Question
We now define an algorithm: The definition of a(n) is: Excess of n, which is the difference between the number of prime divisors of n (counting multiplicity) and the number of distinct prime divisors of n. Given the input x_list (a series of values... | [0, 0, 2, 0, 0, 0, 3, 0, 0, 0] | general_qa | 435 |
The following is a multiple choice question (with answers).
===Question
Standing waves are produced by a 100-Hz generator in a string of fixed length. The tension in the string is increased until a new set of standing waves is produced. Will the wavelength of the new standing waves be greater than or less than the wave... | Greater, because the tension in the string varies directly with the wave speed, which varies directly with the wavelength. | general_qa | 287 |
The following is a multiple choice question (with answers).
===Question
There is an air-filled coaxial line with a characteristic impedance of 100 Ω, used to construct a $\lambda_{0} / 4$ type coaxial resonant cavity, with one end having a capacitance of $C=1 \times 10^{-12}/2\pi$ F, and the other end of the cavity bei... | $$
f_{0}=1. 9 1 \mathrm{~ G H z}_{\circ}
$$ | general_qa | 385 |
The following is a multiple choice question (with answers).
===Question
A general software engineering process framework typically consists of five activities. Which of the following options do these five activities refer to?
===Choices
Communication, analysis, design, construction, and configuration.
Communication, p... | Communication, planning, modeling, construction, and deployment | general_qa | 158 |
The following is a multiple choice question (with answers).
===Question
Compared to other branches of law, the distinct characteristic of criminal law is ().
===Choices
Combative nature
The narrow focus on regulating individual conduct, intertwined with public sentencing guidelines
The broad scope of regulating and ma... | The broad scope of regulating and maintaining social relations, combined with the severity of punishment methods | general_qa | 140 |
The following is a multiple choice question (with answers).
===Question
The presence of an editor for editing in electronic media comes in ().
===Choices
the audience feedback phase
the recording phase
the creative brainstorming
the content distribution phase
the conceptual development stage
the decision-making phase
... | the decision-making phase | general_qa | 77 |
The following is a multiple choice question (with answers).
===Question
Perennial plant storage parts are mainly stored in underground organs including the root system, rhizomes, the base of the stem,____ , bulbs, tubers, and so on.
===Choices
Leaf Veins
Leaf Blade
Stamen Stalk
Flower Bud
Fruit Flesh
Pollen Grains
Sep... | Rhizome | general_qa | 96 |
The following is a multiple choice question (with answers).
===Question
What were the first and last names of Welsh journalist Wyre Davies' maternal grandfather, who captained *Harmanteh*?
===Choices
Henry Parker
Benjamin Turner
William Stewart
Joseph Mitchell
Edward Grant
Michael Wright
Oliver Thompson
Charles Bennet... | Evan Rowlands | general_qa | 77 |
The following is a multiple choice question (with answers).
===Question
For how many consecutive terms was the Indian politician Babanrao Shankar Gholap, alias Nana, elected to the Vidhan Sabha?
===Choices
3
9
2
10
4
8
6
11
7
5 | 5 | general_qa | 68 |
The following is a multiple choice question (with answers).
===Question
To which family does the plant Setaria belong?
===Choices
Asteraceae
Cyperaceae
Polygonaceae
Poaceae
Fabaceae
Solanaceae
Chenopodiaceae
Amaranthaceae
Brassicaceae
Lamiaceae | Amaranthaceae | general_qa | 76 |
The following is a multiple choice question (with answers).
===Question
Find the sum of $\sum_{n=1}^{\infty} \frac{2}{n^2 + 4n + 3}$
===Choices
0.7333
1.2333
2.1433
0.8333
1.4333
2.0333
1.6333
0.4333
0.9333
0.5633 | 0.8333 | general_qa | 119 |
The following is a multiple choice question (with answers).
===Question
If an artificial satellite revolves in circular orbit around the earth with a speed equal to half its escape velocity from the earth. Then its height above the surface of earth will be : [Radius of earth = 6400 km]
===Choices
4000 km
16000 km
9600... | 3200 km | general_qa | 126 |
The following is a multiple choice question (with answers).
===Question
A 4-pole shunt generator rated at 82 kW, 230 V, and 930 r/min has an armature circuit resistance of $\mathrm{R}_{a}=0.0259 \, \Omega$ and a field winding resistance of $\mathrm{R_{f}}=22.8 \, \Omega$ at 75°C. Under rated load, the excitation circui... | 94.6kw,88.2kw,905.7N·m,86.7% | general_qa | 493 |
The following is a multiple choice question (with answers).
===Question
A 27-year-old woman comes to the physician because of a 3-year history of chronic diarrhea and intermittent, crampy, lower abdominal pain. The pain is usually relieved with defecation and does not occur at night or interfere with sleep. She says sh... | Nortriptyline | general_qa | 266 |
The following is a multiple choice question (with answers).
===Question
In the $LC$ oscillating circuit, assume that initially the charge on $B$ is $Q$, and the current in $L$ is 0. What is the time $t$ required for the magnetic energy in $L$ to equal the electric energy in $B$ for the first time?
===Choices
$$
\frac{... | $$
\frac{\pi} {4} \sqrt{L B}
$$ | general_qa | 261 |
The following is a multiple choice question (with answers).
===Question
What are the minerals, responsible for large volume decrease in soil on drying in clayey soils?
===Choices
Garnet and Epidote
Biotite and Muscovite
Feldspar and Quartz
llite and Kaolinite
Pyroxene and Amphibole
Gypsum and Calcite
Dolomite and Hali... | llite and Kaolinite | general_qa | 106 |
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