Question stringlengths 2 3k | label int64 0 1 |
|---|---|
What do you hate about Flipkart? | 0 |
Example 13 Two plants A and B of a factory show following results about the number of workers and the wages paid to them.
A B
No. of workers $5000 \quad 6000$
Average monthly wages
$$
\text { Rs } 2500 \quad \text { Rs } 2500
$$
Variance of distribution
81
100
of wages
In which plant, A or B is there greater v... | 1 |
What is gun control? | 0 |
During what stage of sleep do serotonin and norepinephrine levels drop? | 0 |
Is there anything I can do to improve my resume? | 0 |
How can I hack router without knowing its password? | 0 |
How can I replace a garage door opener? | 0 |
What book on the perceptual theory was written by James Laird? | 0 |
15. Which of the following acids has the smallest dissociation constant ?
(a) $\mathrm{CH}_{3} \mathrm{CHFCOOH}$
(b) $\mathrm{FCH}_{2} \mathrm{CH}_{2} \mathrm{COOH}$
(c) $\mathrm{BrCH}_{2} \mathrm{CH}_{2} \mathrm{COOH}$
(d) $\mathrm{CH}_{3} \mathrm{CHBrCOOH}$ | 1 |
In what part of Europe were gold coins still minted? | 0 |
20. If a solution has a pOH value of 14 at $25^{\circ} \mathrm{C}, \mathrm{H}^{+}$concentration should be
(a) 0
(b) 10
(c) 1
(d) none of these | 1 |
2. A rod $100 \mathrm{~cm}$ long and of $2 \mathrm{~cm} \times 2 \mathrm{~cm}$ cross-section is subjected to a pull of $1000 \mathrm{~kg}$ force. If the modulus of elasticity of the material is $2.0 \times 10^{6} \mathrm{~kg} / \mathrm{cm}^{2}$, determine the elongation of the rod. | 1 |
3. Water is filled in a cylindrical container to a height of $3 \mathrm{~m}$. The ratio of the cross-sectional area of the orifice and the beaker is 0.1 . The square of the speed of the liquid coming out from the orifice is $\left(g=10 \mathrm{~m} / \mathrm{s}^{2}\right.$ )
 $10 \mathrm{~ms}^{-1}$
(b) $14 \mathrm{~ms}^{-1}$
(c) $18 \mathrm{~ms}^{-1}$
(d) $16 \mathrm{~ms}^{-1}$ | 1 |
69. If $\tan A=\frac{1-\cos B}{\sin B}$, then $\tan 2 A$ is
a. $\tan 2 A=\tan B$
h. $\tan 2 A=\tan ^{2} B$
c. $\tan 2 A=\tan ^{2} B+2 \tan B$
d. none of these | 1 |
Who's from Morocco here? | 0 |
How can one stop masturbation? | 0 |
How do I find a paid summer internship in finance? | 0 |
29. A circuit consists of a circular loop of radius $R$ kept in the plane of paper and an infinitely long current carrying wire kept perpendicular to the plane of paper and passing through the centre of loop. The mutual inductance of wire and loop will be
(a) $\frac{\mu_{0} \pi R}{2}$
(b) 0
(c) $\mu_{0} \pi R^{2}$
(d) ... | 1 |
(ii) If the two lines are parallel, then they do not intersect in the same plane. | 1 |
Ex. 29. The base imidazole has a $K_{\mathrm{b}}$ of $9.8 \times 10^{-8}$ at $25^{\circ} \mathrm{C}$.
(a) In what amounts should 0.02 M HCl and 0.02 M imidazole be mixed to make 100 mL of a buffer at pH 7 ?
(b) If the resulting buffer is diluted to one litre, find pH of the diluted buffer. | 1 |
When did Ireland establish their own assembly? | 0 |
Which is a suitable inpatient drug and alcohol rehab center in Clarke County AL? | 0 |
How can I get admitted to MIT? | 0 |
4. $36,72,46,42,60,45,53,46,51,49$ | 1 |
What can cause a woman's period to be late? | 0 |
Ex. 47. A Carnot engine operates between temperatures 600 K and 390 K . It absorbs 120 cal of heat from the source. Calculate $\eta$ and the heat rejected to the sink. | 1 |
56. How would you distinguish between
cyclohexane and cyclohexene.
[1988 - 1 Mark] | 1 |
What do you think about the Fifty Shades of Grey movie? Would you want a part 2 of this movie? | 0 |
Why do you like someone on Tinder if you have no intention of ever speaking to them? | 0 |
How much time do people spend on Quora? | 0 |
23. Into a gas bulb of 2.83 litres, are introduced 0.174 g of $\mathrm{H}_{2}$ and 1.365 g of $\mathrm{N}_{2}$ which can be assumed to behave ideally. The temperature is $0^{\circ} \mathrm{C}$. What are the partial pressures of $\mathrm{H}_{2}$ and $\mathrm{N}_{2}$ and what is the total gas pressure? What are the mole ... | 1 |
How can I learn to ask good questions? | 0 |
5. Three charges $Q,+q$ and $+q$ are placed at the vertices of a right angle isosceles triangle as shown below. The net electrostatic energy of the configuration is zero, if the value of $Q$ is
 $2 \mathrm{~m} / \mathrm{s}^{2}$
(b) $4 \mathrm{~m} /... | 1 |
7. The set of points $P$ consists of
a. one straight line only
b. union of two line segments
c. union of two infinite rays
d. union of a line segment of finite length and an infinite ray | 1 |
9. A variable plane $l x+m y+n z=p$ (where $l, m, n$ are direction cosincs of normal) intersects the coordinate axes at points $A, B$ and $C$, respectively. Show that the foot of the normal on the plane from the origin is the orthocentre of triangle $A B C$ and hence find the coordinates of the circumcentre of triangle... | 1 |
75. $z_{1}, z_{2}, z_{3}, z_{4}$ are distinct complex numbers representing the vertices of a quadrilateral $A B C D$ taken in order. If $z_{1}-z_{4}=z_{2}-z_{3}$ and $\arg \left[\left(\bar{z}_{4}-\bar{z}_{1}\right) /\left(z_{2}-z_{1}\right)\right]=\pi / 2$, then the quadrilateral is
a. rectangle
b. rhombus
c. square
d.... | 1 |
65. White phosphorus on reaction with $\mathrm{NaOH}$ gives $\mathrm{PH}_{3}$ as one of the products. This is a
(a) dimerization reaction
(b) disproportionation reaction
(c) condensation reaction
(d) precipitation reaction | 1 |
- 19 A 12 N horizontal force $\vec{F}$ pushes a block weighing 5.0 N against a vertical wall (Fig. 6-26). The coefficient of static friction between the wall and the block is 0.60 , and the coefficient of kinetic friction
 Write down the electric dipole moment of this pair. | 1 |
39. If elements with principal quantum number $n>4$ were not allowed in nature, the number of possible elements would be
(a) 60
(b) 32
(c) 4
(d) 64 | 1 |
19. Events $A$ and $C$ are independent. If the probabilities relating $A$, $B$ and $C$ are $P(A)=1 / 5, P(B)=1 / 6 ; P(A \cap C)=1 / 20 ; P(B \cup$ $C)=3 / 8$. Then
a. events $B$ and $C$ are independent
b. events $B$ and $C$ are mutually exclusive
c. events $B$ and $C$ are neither independent nor mutually exclusive
... | 1 |
101. The locus of the midpoints of a chord of the circle $x^{2}+y^{2}$ $=4$, which subtends a right angle at the origin, is
a. $x+y=2$
b. $x^{2}+y^{2}=1$
c. $x^{2}+y^{2}=2$
d. $x+y=1$ | 1 |
74. The value of $\frac{\alpha^{3}}{2} \operatorname{cosec}^{2}\left(\frac{1}{2} \tan ^{-1} \frac{\alpha}{\beta}\right)+\frac{\beta^{3}}{2} \sec ^{2}\left(\frac{1}{2} \tan ^{-1}\left(\frac{\beta}{\alpha}\right)\right)$ is equal to
a. $(\alpha-\beta)\left(\alpha^{2}+\beta^{2}\right)$
b. $(\alpha+\beta)\left(\alpha^{2}-\... | 1 |
How do I learn music theory for the violin? | 0 |
- Example 34.7 The half-life period of a radioactive element $x$ is same as the mean life time of another radioactive element y. Initially, both of them have the same number of atoms. Then,
(a) $x$ and $y$ have the same decay rate initially
(b) $x$ and $y$ decay at the same rate always
(c) $y$ will decay at a faster... | 1 |
45. Match Column I (fundamental experiment) with Column II (its conclusion) and select the correct option from the choices given below the list.
| | Column I | | Column II |
| :--- | :--- | :--- | :--- |
| A | Franck-Hertz experiment | 1 | Particle nature of <br> light |
| B | Photo-electric experiment | 2 | Discr... | 1 |
During what time span were there findings of habitation in India and Pakistan? | 0 |
What do these studies suggest? | 0 |
29. Number of complex numbers $z$ such that $|z|=1$ and $|z / \bar{z}+\bar{z} / z|$ $=1$ is $(\arg (z) \in[0,2 \pi))$
a. 4
b. 6
c. 8
d. more than 8 | 1 |
10. If $f(x-y), f(x) f(y)$ and $f(x+y)$ are in A.P. for all $x, y$, and $f(0) \neq 0$, then.
a. $f(4)=f(-4)$
c. $f^{\prime}(4)+f^{\prime}(-4)=0$
d. $f^{\prime}(2)=f^{\prime}(-2)$
h. $f(2)+f(-2)=0$ | 1 |
2. A circular coil having $N$ turns and radius $r$ carries a current $I$. It is held in the $X Z$-plane in a magnetic field $B \hat{\mathbf{i}}$. The torque on the coil due to the magnetic field (in $\mathrm{N}-\mathrm{m}$ ) is
(a) $\frac{B r^{2} I}{\pi N}$
(b) $B \pi r^{2} I N$
(c) $\frac{B \pi r^{2} I}{N}$
(d) Zero | 1 |
8. The ratio $\frac{A D}{B C}$ is equal to
a. $1-\cos \frac{3 \pi}{5}: \cos \frac{3 \pi}{5}$
b. $1+2 \cos \frac{2 \pi}{5}: \cos \frac{\pi}{5}$
c. $1+2 \cos \frac{\pi}{5}: 2 \cos \frac{\pi}{5}$
d. None of these | 1 |
(iii) How many moles of $\mathrm{Na}_{2} \mathrm{O}$ shall be produced from 5 moles of Na atoms?
[(i) 5 (ii) 5 (iii) 2\$\cdot\$5] | 1 |
How can I reduce belly fat and overall weight? | 0 |
What is the best programming language for commercial application? | 0 |
Through what time period did the Korean War last? | 0 |
13.6 Describe a method for the identification of primary, secondary and tertiary amines. Also write chemical equations of the reactions involved. | 1 |
Is it possible to travel to alternate universe? | 0 |
After the sale of Kashmir, what did the area become? | 0 |
9. Hydrogen peroxidise oxidises $\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]^{-4}$ to $\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]^{-3}$ in acidic medium but reduces $\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]^{-3}$ to $\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]^{-4}$ in alkaline medium. The other products formed are, respec... | 1 |
2. The correct figure that shows schematically, the wave pattern produced by superposition of two waves of frequencies $9 \mathrm{~Hz}$ and $11 \mathrm{~Hz}$, is
(a)
(b)
?
(a) $\sqrt{\frac{\mu_{0}}{\varepsilon_{0}}}$
(b) $\frac{\mu_{0}}{\varepsilon_{0}}$
(c) $\sqrt{\frac{\varepsilon_{0}}{\mu_{0}}}$
(d) $\f... | 1 |
1. A circle which is concentric with the ellipse $\frac{x^{2}}{a^{2}}+\frac{y^{2}}{b^{2}}=$ 1 and passes through the foci $F_{1}$ and $F_{2}$ of the ellipse.
The two curves intersect at four points. Let $P$ be any point of intersection. If the major axis of the ellipse is 15 and area of the triangle $P F_{1} F_{2}$ is ... | 1 |
14. There is some liquid in a closed bottle. The amount of liquid is continuously decreasing. The vapour in the remaining part
(a) must be saturated
(b) must be unsaturated
(c) may be saturated
(d) there will be no vapour. | 1 |
Through what period did the second empire last? | 0 |
What do you think of abolishing 500 and 1000 Rupee Currency notes by the Indian Government? | 0 |
What happens to a planetary system when its sun dies? | 0 |
20. Distance of the point $P(8,2,-12)$ from the plane of the parallelogram is
a. $\frac{4 \sqrt{6}}{9}$
b. $\frac{32 \sqrt{6}}{9}$
c. $\frac{16 \sqrt{6}}{9}$
d. none | 1 |
39. In which of the following functions is Rolle's theorem applicable?
a. $f(x)=\left\{\begin{array}{cc}x, & 0 \leq x<1 \\ 0, & x=1 .\end{array}\right.$ on $[0,1]$
b. $f(x)=\left\{\begin{array}{cc}\frac{\sin x}{x}, & -\pi \leq x<0 \\ 0, & x=0\end{array}\right.$ on $[-\pi, 0]$
c. $f(x)=\frac{x^{2}-x-6}{x-1}$ on $[-2,3]$... | 1 |
(iv) Toluene to benzyl alcohol | 1 |
How much did YouTube pay for YouTube.com? | 0 |
What are tools used by biologists? | 0 |
4. In the arrangement shown in figure, the string has a mass of $4.5 \mathrm{~g}$. How much time will it take for a transverse disturbance produced at the floor to reach the pulley? Take $g=10 \mathrm{~ms}^{-2}$.
 x \sin (n+2) x+\cos (n+1) x \cos (n+2) x=\cos x$ | 1 |
71. Identify, A $\left(\mathrm{C}_{3} \mathrm{H}_{9} \mathrm{~N}\right)$ which reacts with benzensulphonyl chloride to give a solid, insoluble in alkali. | 1 |
Ex 2.27 The circle $x^{2}+y^{2}-6 x-10 y+k=0$ does not touch or intersect the coordinate axes, and the point ( 1 , 4) is inside the circle. Find the range of the values of $k$ | 1 |
Why do Indians keep deleting factual and true comments about India in Quora? | 0 |
What do you think of Ellen Hopkins? | 0 |
14. The commercial name for calcium oxide is :
(a) Quick lime
(b) Milk of lime
(c) Slaked lime
(d) Limestone | 1 |
(i) Nitrobenzene to benzoic acid | 1 |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.