Question stringlengths 2 3k | label int64 0 1 |
|---|---|
What type of practices did John D. Rockefeller exhibit in the oil industry? | 0 |
4. A graph of vapour pressure and temperature for three different liquids $X, Y$, and $Z$ is shown below:
The following inferences are made:
(A) $X$ has higher intermolecular interactio... | 1 |
1. If the probability of a six-digit number $N$ whose six digits are $1,2,3,4,5,6$ written as random order is divisible by 6 is $p$, then the value of $1 / p$ is. | 1 |
What is the meaning of Marathi word 'Mauli'? | 0 |
35. The reversible expansion of an ideal gas under adiabatic and isothermal conditions is shown in the figure, which of the following statement(s) is(are) correct
(a) $T_{1}=T_{2}$
(b) $T_{3... | 1 |
Match the conditions/expressions in Column I with statement in Column II.
9. Consider the lines given by
$L_{1}: x+3 y-5=0$,
$L_{2}: 3 x-k y-1=0$,
| | Column I | | Column II |
| :---: | :---: | :---: | :---: |
| (A) | $L_{1}, L_{2}, L_{3}$ are concurrent, if | (p) | $k=-9$ |
| (B) | One of $L_{1}, L_{2}, L_{3}$ is ... | 1 |
How is an elk and a reindeer different from one another? | 0 |
The gardens of New Delhi are particularly stunning in which season? | 0 |
5. The average kinetic energy of the molecules of an ideal gas at $10^{\circ} \mathrm{C}$ has the value $E$. The temperature at which the kinetic energy of the same gas becomes $2 E$ is
(a) $5^{\circ} \mathrm{C}$
(b) $10^{\circ} \mathrm{C}$
(c) $40^{\circ} \mathrm{C}$
(d) None of these | 1 |
Why is fascism considered wrong? | 0 |
59. The curve in first quadrant for which the normal at any point $(x, y)$ and the line joining the origin to that point form. an isosceles triangle with the $x$-axis as base is
a. an ellipse
b. a rectangular hyperbola
c. a circle
d. None of these | 1 |
11. Two objects of masses $m$ and $4 m$ are at rest at an infinite separation. They move towards each other under mutual gravitational attraction. $G$ is the universal gravitational constant. Then at separation $r$ :
(a) the total energy of the two objects is zero
(b) their relative velocity of approach is $\left(\fr... | 1 |
Should we wipe all mosquitos off the face of the earth? | 0 |
37. Amongst the trihalides of nitrogen which one is least basic?
(a) $\mathrm{NF}_{3}$
(b) $\mathrm{NCl}_{3}$
(c) $\mathrm{NBr}_{3}$
(d) $\mathrm{NI}_{3}$ | 1 |
Is there a question which has never been asked before? | 0 |
What is the name of the holiday celebrated in India that occurs on Gandhi's Birthday? | 0 |
11. Let $a, b, c \in R$ such that no two of them are equal and satisfy $\left|\begin{array}{ccc}2 a & b & c \\ b & c & 2 a \\ c & 2 a & b\end{array}\right|=0$, then equation $24 a x^{2}+4 b x+c=0$ has
a. at least one root in $[0,1]$
b. at least one root in $\left[-\frac{1}{2}, \frac{1}{2}\right]$
c. at least one roo... | 1 |
Who was the Viceroy of the Deccan under Farrukhsiyar? | 0 |
(a) the average torque of the friction, | 1 |
37. What is the molarity and molality of a $13 \%$ solution (by weight) of sulphuric acid with a density of $1.02 \mathrm{~g} / \mathrm{mL}$ ? To what volume should $100 \mathrm{~mL}$ of this acid be diluted in order to prepare a $1.5 \mathrm{~N}$ solution? | 1 |
31. For 'invert sugar', the correct statement(s) is(are)
(Given : specific rotations of (+) -sucrose, (+)-maltose, L-(-)-glucose and L-(+) fructose in aqueous solution are $+66^{\circ},+140^{\circ},-52^{\circ}$ and $+92^{\circ}$, respectively) [Adv. 2016]
(a) 'invert sugar' is prepared by acid catalyzed hydrolysis of... | 1 |
Why do people use Quora when they know that they could find a more accurate answer on Google? | 0 |
8. $f(x)=\lim _{n \rightarrow \infty} \frac{x}{x^{2 n}+1}$, then
a. $f\left(1^{+}\right)+f\left(1^{-}\right)=0$
b. $f\left(1^{+}\right)+f(1)+f(1)=3 / 2$
c. $f\left(-1^{+}\right)+f\left(-1^{-}\right)=-1$
d. $f\left(1^{+}\right)+f\left(-1^{-}\right)=0$ | 1 |
3. The actual value of resistance $R$, shown in the figure is $30 \Omega$. This is measured in an experiment as shown using the standard formula $R=\frac{V}{I}$, where $V$ and $I$ are the readings of the voltmeter and ammeter, respectively. If the measured value of $R$ is $5 \%$ less, then the internal resistance of th... | 1 |
Does a superfluid dark matter which ripples when Galaxy clusters collide and waves in a double slit experiment relate GR and QM? | 0 |
48. The value of $P_{B}-P_{A}$ is
(a) $\rho \mathrm{g} a$
(b) $2 \rho g a$
(c) $3 \rho g a$
(d) $4 \rho g a$ | 1 |
How do I go about getting help for ADHD as an adult? | 0 |
55. The option(s) with only amphoteric oxides is(are)
(a) $\mathrm{Cr}_2 \mathrm{O}_3, \mathrm{BeO}, \mathrm{SnO}, \mathrm{SnO}_2$
(b) $\mathrm{Cr}_2 \mathrm{O}_3, \mathrm{CrO}, \mathrm{SnO}, \mathrm{PbO}$
(c) $\mathrm{NO}, \mathrm{B}_2 \mathrm{O}_3, \mathrm{PbO}, \mathrm{SnO}_2$
(d) $\mathrm{ZnO}, \mathrm{Al}_2 \math... | 1 |
61. A right angled prism of refractive index $\mu_{1}$ is placed in a rectangular block of refractive index $\mu_{2}$, which is surrounded by a medium of refractive index $\mu_{3}$, as shown in the figure. A ray of light ' e ' enters the rectangular block at normal incidence. Depending upon the relationships between $\... | 1 |
75. If $x_{1}$ and $x_{2}$ are two distinct roots of the equation $a \cos x+b \sin x=c$, then $\tan \frac{x_{1}+x_{2}}{2}$ is equal to
a. $\frac{a}{b}$
c. $\frac{c}{a}$
d. $\frac{a}{c}$
h. $\frac{b}{a}$ | 1 |
5. Find the decrease in the volume of a sample of water from the following data. Initial volume $=1000 \mathrm{~cm}^{3}$, initial pressure $=10^{5} \mathrm{~N} \mathrm{~m}^{-2}$, final pressure $=10{ }^{6} \mathrm{~N} \mathrm{~m}^{-2}$, compressibility of water $=50 \times 10^{-11} \mathrm{~m}^{2} \mathrm{~N}^{-1}$. | 1 |
How much do chefs in China make? | 0 |
What is the profit margin of a can of Coca-Cola? | 0 |
What are the smartest things you have ever seen a child do? | 0 |
How many people died from the atomic attack on Japan? | 0 |
Which countries pioneered European exploration of the globe? | 0 |
What has come from similarities in systems? | 0 |
Which GPU is better, Nvidia GTX 940MX or Intel Iris 6100? | 0 |
How can I learn to invest like Steve Cohen? | 0 |
What is the normal IQ of a 15 year old? | 0 |
Which is the best moment in life with your dearest one? | 0 |
Who are the best chemistry teachers in etoos.com? | 0 |
103. If normals are drawn from a point $P(h, k)$ to the parabola $y^{2}=4 a x$, then the sum of the intercepts which the normals cutoff from the axis of the parabola is
a. $(h+a)$
b. $3(h+a)$
c. $2(h+a)$
d. none of these | 1 |
6. The increasing order of nucleophilicity of the following nucleophiles is :
(i) $\mathrm{CH}_{3} \mathrm{CO}_{2}^{-}$
(ii) $\mathrm{H}_{2} \mathrm{O}$
(iii) $\mathrm{CH}_{3} \mathrm{SO}_{3}^{-}$
(iv) $\mathrm{OH}^{-}$
(a) (i) $<$ (iv) $<$ (iii) $<$ (ii)
(b) (ii) $<$ (iii) $<$ (iv) $<$ (i)
(c) (iv) $<$ (i) $<... | 1 |
16. Addition of sodium hydroxide solution to a weak acid (HA) results in a buffer of $\mathrm{pH}$ 6. If ionisation constant of $\mathrm{HA}$ is $10^{-5}$, the ratio of salt to acid concentration in the buffer solution will be :
(a) $4: 5$
(b) $1: 10$
(c) $10: 1$
(d) $5: 4$ | 1 |
(c) What are the speeds of the particles at $x=3.0 \mathrm{~cm}, 5.0 \mathrm{~cm}$ and $7.0 \mathrm{~cm}$ at $t=0.01 \mathrm{~s}$ ? | 1 |
What is a VGA port used for on a laptop? | 0 |
What are the best places to visit near Pune with your loved one for 2 days? | 0 |
4. An object may have
(a) varying speed without having varying velocity
(b) varying velocity without having varying speed
(c) nonzero acceleration without having varying velocity
(d) nonzero acceleration without having varying speed. | 1 |
18. If $m$ and $e$ are the mass and charge of the revolving electron in the orbit of radius $r$ for hydrogen atom, the total energy of the revolving electron will be:
(a) $\frac{1}{2} \frac{e^{2}}{r}$
(b) $-\frac{e^{2}}{r}$
(c) $\frac{m e^{2}}{r}$
(d) $-\frac{1}{2} \frac{e^{2}}{r}$ | 1 |
I'm 23 and no college degree. I'm thinking about getting a software engineering degree but I care only about money. Am I taking the wrong step? | 0 |
Why do I feel like I am on the Truman show? | 0 |
What allowed for a deeper understanding and personal exploration of older philosophers theories? | 0 |
Which code is more generally more economical when it comes to area of steel for main reinforcement? (One-way slabs) | 0 |
Example 2.45 Show that $\sin ^{2} 5^{\circ}+\sin ^{2} 10^{\circ}+\sin ^{2} 15^{\circ}+\cdots+\sin ^{2} 90^{\circ}=9 \frac{1}{2}$. | 1 |
Will I get into Princeton? SAT 2350 (M-780, E-800, W-770), GPA 3.85. American, but lived in M EAST for years. Fluent in English, Arabic and French. | 0 |
What are the most innovative startup ideas? | 0 |
What new type of construction allowed the making of skyscrapers? | 0 |
What is the proper abbreviation for an assistant professor? | 0 |
How can I increase traffic on my blog? | 0 |
In what systems is the political party allowed to legally hold effective power? | 0 |
Example 2.40 If $x=\sec \theta-\tan \theta$ and $y=\operatorname{cosec} \theta+\cot \theta$, then prove that $x y+1=y-x$. | 1 |
2. Suppose that 20 pillars of the same height have been erected along the boundary of a circular stadium. If the top of each pillar has been connected by beams with the top of all its non-adjacent pillars, then the total number of beams is
(2019 Main, 10 April II)
(a) 180
(b) 210
(c) 170
(d) 190 | 1 |
What did the Convulsion caused by the global depression resul in? | 0 |
Who wrote Works and Days and Theogony? | 0 |
10. A closed compartment containing gas is moving with some acceleration in horizontal direction. Neglect effect of gravity. Then, the pressure in the compartment is
(1999, 2M)
(a) same everywhere
(b) lower in front side
(c) lower in rear side
(d) lower in upper side | 1 |
Who felt that looking to these ancient documents for new ideas was not the way to mover forward? | 0 |
13. If $20 \mathrm{~m}$ of wire is available for fencing off a flower-bed in the form of a circular sector, then the maximum area (in sq. m) of the flower-bed is
(a) 12.5
(b) 10
(c) 25
(d) 30 | 1 |
What are some things that can cause a homosexual person to be with the opposite sex? | 0 |
2.18 What is the energy in joules, required to shift the electron of the hydrogen atom from the first Bohr orbit to the fifth Bohr orbit and what is the wavelength of the light emitted when the electron returns to the ground state? The ground state electron energy is $-2.18 \times 10^{-11}$ ergs. | 1 |
How much will it cost to put up a radio station.? | 0 |
7.
| Column I | Column II |
| :---: | :---: |
| a. The distance between the lines $(x+7 y)^{2}+4 \sqrt{2}(x+7 y)-42=0$ is | p. 2 |
| b. If the sum of the distances of a point <br> from two perpendicular lines in a <br> plane is 1 , then its locus is $\|x\|+\|y\|$ <br> $=k$, where $k$ is equal to | q. 7 |
| | |
| c.... | 1 |
Why do people cry when someone close to them dies? | 0 |
Why is my voice changing and I am not able to sing? | 0 |
6. Minimum non-negative real value of $c$ is
a. 10
b. 9
c. 6
d. 4 | 1 |
54. The number of solutions of $\sum_{r=1}^{5} \cos r x=5$ in the interval $[0,2 \pi]$ is
a. 0
b 2
c. 5
d. 10 | 1 |
22. An ideal gas is taken through the cycle $A \rightarrow B \rightarrow C \rightarrow A$, as shown in the figure. If the net heat supplied to the gas in the cycle is $5 \mathrm{~J}$, the work done by the gas in the process $C \rightarrow A$ is
$[2010]$
(a) $\operatorname{Ring}(\mathbf{A})$ is pyranose with $\alpha$ - glycosidic link
(b) $\operatorname{Ring}(\mathbf{A... | 1 |
1. Which isomer of xylene can give three different monochloroderivatives ?
(a) o-xylene
(b) m-xylene
(c) p-xylene
(d) xylene cannot give a monochloro derivative | 1 |
47. The correct IUPAC name of the given compound is :
(A) 5-ethyl-1-methyl-2-propylcyclohexane
(B) 1-ethyl-3-methyl-4-propylcyclohexane
(C) 4-ethyl-2-methyl-1-propylcyclohexane
(D) 4-et... | 1 |
(i)
 | 1 |
What is the secrets of indian army? | 0 |
What part of New Guinea is also considered to be apart of Southeast Asia? | 0 |
What's your New Year's Resolution for 2015? | 0 |
Which is the best book to learn HTML for beginners? | 0 |
Why does Stewart Guthrie believe that people project their human features onto non human things? | 0 |
What metal was developed in south India during the time of the Mauryan Empire? | 0 |
12. Positive and negative point charges of equal magnitude are kept at $(0,0, a / 2)$ and $(0,0,-a / 2)$, respectively. The work done by the electric field when another positive point charge in moved from $(-a, 0,0)$ to $(0, a, 0)$ is
(a) positive
(b) negative
(c) zero
(d) depends on the path connecting the initi... | 1 |
23. Calculate the number of electrons, protons and neutrons in 1 mole of ${ }^{16} \mathrm{O}^{-2}$ ions.
$$
\left(10 \times 6.022 \times 10^{23}, 8 \times 6.022 \times 10^{23}, 8 \times 6.022 \times 10^{23}\right)
$$ | 1 |
7. In alkaline condition $\mathrm{KMnO}_{4}$ reacts as follows:
$$
2 \mathrm{KMnO}_{4}+2 \mathrm{KOH} \rightarrow 2 \mathrm{~K}_{2} \mathrm{MnO}_{4}+\mathrm{H}_{2} \mathrm{O}+\mathrm{O}
$$
the eq. wt. of $\mathrm{KMnO}_{4}$ is
(a) 52.7
(b) 158
(c) 31.6
(d) 79 | 1 |
45. The number of real values of the parameter $k$ for which $\left(\log _{16} x\right)^{2}-\log _{16} x+\log _{16} k=0$ with real coefficients will have exactly one solution is
a. 2
b. 1
c. 4
d. none of these | 1 |
Who would you trade Dirk Nowitzki to before the deadline? | 0 |
33. A car traveling $56.0 \mathrm{~km} / \mathrm{h}$ is 24.0 m from a barrier when the driver slams on the brakes. The car hits the barrier 2.00 s later. (a) What is the magnitude of the car's constant acceleration before impact? (b) How fast is the car traveling at impact? | 1 |
55. When $\mathrm{NaNO}_{3}$ is heated in a closed vessel, oxygen is liberated and $\mathrm{NaNO}_{2}$ is left behind. At equilibrium.
(a) addition of $\mathrm{NaNO}_{2}$ favours reverse reaction
(b) addition of $\mathrm{NaNO}_{3}$ favours forward reaction
(c) increasing temperature favours forward reaction
(d) i... | 1 |
Where can I get huge selection of floor tiles in Sydney? | 0 |
My body type is endomorph. In what way do I lose fat in my body and build muscles? | 0 |
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