Question stringlengths 2 3k | label int64 0 1 |
|---|---|
What are the best books about Uruguay? | 0 |
When was the term copy-text introduced? | 0 |
10. Centre and radius of circle one
a. $(2,0), 3$
b. $(-3,0), \sqrt{3}$
c. $(3,0), \sqrt{5}$
d. None of these | 1 |
What are tampons used for? | 0 |
25. The compound which contains both ionic and covalent bonds is
(a) $\mathrm{CH}_{4}$
(b) $\mathrm{H}_{2}$
(c) $\mathrm{KCN}$
(d) $\mathrm{KCl}$ | 1 |
2. The equation $2 \mathrm{Al}(\mathrm{s})+\frac{3}{2} \mathrm{O}_{2}(\mathrm{~g}) \rightarrow \mathrm{Al}_{2} \mathrm{O}_{3}(\mathrm{~s})$ shows that
(a) 2 moles of Al react with $\frac{3}{2}$ moles of $\mathrm{O}_{2}$ to produce $\frac{7}{2}$ moles of $\mathrm{Al}_{2} \mathrm{O}_{3}$
(b) 2 g of Al react with $\frac{3... | 1 |
3. The truth table for the circuit given in the figure is
(a) $\left|\begin{array}{lll}A & B & Y \\ 0 & 0 & 1 \\ 0 & 1 & 1 \\ 1 & 0 & 1 \\ 1 & 1 & 1\end{array}\right|$
(b) $\left|\begin... | 1 |
Demographically is time on the side of Scottish Independence and does this make it impossible for the Union to stay together for a long time? | 0 |
How can I get short-sighted? | 0 |
11. If $a, b, c$ are positive real numbers
$$
\begin{aligned}
& \theta=\tan ^{-1} \sqrt{\frac{a(a+b+c)}{b c}}+\tan ^{-1} \sqrt{\frac{b(a+b+c)}{c a}} \\
&+\tan ^{-1} \sqrt{\frac{c(a+b+c)}{a b}} .
\end{aligned}
$$
Then, $\tan \theta$ equals ...... . | 1 |
8. Assertion : Speed of a particle moving in a circle varies with time as, $v=(4 t-12)$. Such type of circular motion is not possible.
Reason : Speed cannot change linearly with time. | 1 |
What is selective social? | 0 |
15. A thin lens is made with a material having refractive index $\mu=1 \cdot 5$. Both the sides are convex. It is dipped in water $(\mu=1 \cdot 33)$. It will behave like
(a) a convergent lens
(b) a divergent lens
(c) a rectangular slab
(d) a prism. | 1 |
24. Let $a$ and $b$ represent the length of a right triangle's legs. If $d$ is the diameter of a circle inscribed into the triangle, and $D$ is the diameter of a circle circumscribed on the triangle, then $d+D$ equals
a. $a+b$
b. $2(a+b)$
c. $\frac{1}{2}(a+b)$
d. $\sqrt{a^{2}+b^{2}}$ | 1 |
1. If $\sin \theta=\frac{1}{2}$ and $\cos \theta=-\frac{\sqrt{3}}{2}$, then the general value of $\theta$ is $(n \in Z)$
a. $2 n \pi+\frac{5 \pi}{6}$
b. $2 n \pi+\frac{\pi}{6}$
c. $2 n \pi+\frac{7 \pi}{6}$
d. $2 n \pi+\frac{\pi}{4}$ | 1 |
? | 0 |
3. Which method is more accurate in the determination of $f$ for a concave mirror.
(i) $u$ versus $v$ or
(ii) $\frac{1}{u}$ versus $\frac{1}{v}$ graphs ? | 1 |
7. Number of critical point for $y=f(x)$ for $x \in[0,2]$
$$
\begin{array}{ll}
\text { a. } 0 & \text { b. } 1 \\
\text { c. } 2 & \text { d. } 3
\end{array}
$$ | 1 |
Why is it difficult to measure corruption? | 0 |
What are the most effective forms of activism? | 0 |
41. Two medians drawn from the acute angles of a right-angled triangle intersect at an angle $\pi / 6$. If the length of the hypotenuse of the triangle is 3 units, then the area of the triangle (in sq. units) is
a. $\sqrt{3}$
b. 3
c. $\sqrt{2}$
d. 9 | 1 |
How do I get rid of fat? | 0 |
(a) the time constant, | 1 |
44. If the sum of the coefficients in the expansion of $(a+b)^{n}$ is 4096 , then the greatest coefficient in the expansion is
a. 924
b. 792
c. 1594
d. none of these | 1 |
What is it like to have a greedy and bipolar personality disordered wife? | 0 |
7. The pressure in a liquid at two points in the same horizontal plane are equal. Consider an elevator accelerating upward and a car accelerating on a horizontal road. The above statement is correct in
(a) the car only
(b) the elevator only
(c) both of them
(d) neither of them. | 1 |
Do all the contestants on Survivor get paid? | 0 |
*22 36 Figure 29-50a shows, in cross section, two long, parallel wires carrying current and separated by distance $L$. The ratio $i_1 / i_2$ of their currents is 4.00 ; the directions of the currents are not indicated. Figure 29-50b shows the $y$ component $B_y$ of their net magnetic field along the $x$ axis to the rig... | 1 |
What is the scariest movie you have ever watched and what about it made it so scary? | 0 |
3. If $f: R \rightarrow R$ given by $f(x)=\frac{x^{2}-4}{x^{2}+1}$, identify the type of function. | 1 |
How did the Germans feel about General Eisenhower during WW2? | 0 |
Is a 9 year age difference too big? | 0 |
Will angular acceleration remain constant in uniform circular motion? | 0 |
(i) If $x$ is a prime number, then $x$ is odd. | 1 |
When did Britain withdraw from Aden? | 0 |
Example 18.7
Find the size of the image formed in the situation shown in figure (18.17).
Figure 18.17 | 1 |
How can I be an upper programmer? | 0 |
5. The correct statement(s) about $\mathrm{Cr}^{2+}$ and $\mathrm{Mn}^{3+}$ is(are)
$$
(\mathrm{Cr}=24, \mathrm{Mn}=25)
$$
(a) $\mathrm{Cr}^{2+}$ is reducing agent.
(b) $\mathrm{Mn}^{3+}$ is an oxidising agent.
(c) Both $\mathrm{Cr}^{2+}$ and $\mathrm{Mn}^{3+}$ exhibit $ d^{4}$ electronic configuration.
(d) When $\ma... | 1 |
Example 2.49 For any complex number $z$, find the minimum value of $|z|+|z-2 i|$. | 1 |
52. If $A\left(z_{1}\right), B\left(z_{2}\right), C\left(z_{3}\right)$ are the vertices of the triangle $A B C$ such that $\left(z_{1}-z_{2}\right) /\left(z_{3}-z_{2}\right)=(1 / \sqrt{2})+(i / \sqrt{2})$, the triangle $A B C$ is
a. equilateral
b. right angled
c. isosceles
d. obtuse angled | 1 |
8. The density of a solid ball is to be determined in an experiment. The diameter of the ball is measured with a screw gauge, whose pitch is $0.5 \mathrm{~mm}$ and there are 50 divisions on the circular scale. The reading on the main scale is $2.5 \mathrm{~mm}$ and that on the circular scale is 20 divisions. If the mea... | 1 |
26. The set of all real numbers $x$ for which $x^{2}-|x+2|+x>0$ is
$(2002,1 \mathrm{M})$
(a) $(-\infty,-2) \cup(2, \infty)$
(b) $(-\infty,-\sqrt{2}) \cup(\sqrt{2}, \infty)$
(c) $(-\infty,-1) \cup(1, \infty)$
(d) $(\sqrt{2}, \infty)$ | 1 |
How did the East India Company handle trade in Bengal? | 0 |
1. A uniform current carrying ring of mass $m$ and radius $R$ is connected by a massless string as shown. A uniform magnetic field $B_{0}$ exists in the region to keep the ring in horizontal position, then the current in the ring is
Volume $\left(\mathrm{m}^{3}\right)$
Figure 18-39 Problem 4... | 1 |
I am looking for quality Moonshine Merchandise. Where can I get them? | 0 |
Which is the best photoshop for android? | 0 |
Who will win if India and China will go to war? | 0 |
Example 2.74 If $n$ is an odd integer that is greater than or equal to 3 but not a multiple of 3 , then prove that $(x+1)$ ${ }^{n}-x^{n}-1$ is divisible by $x^{3}+x^{2}+x$. | 1 |
1. The elongation of the string before applying force is
(a) $50 \mathrm{~cm}$
(b) $5 \mathrm{~cm}$
(c) $0.5 \mathrm{~cm}$
(d) $0.05 \mathrm{~cm}$ | 1 |
10. The hydrocarbon with seven carbon atoms containing a neopentyl and a vinyl group is :
(a) 2,2-dimethyl-4-pentene
(b) 4, 4- dimethyl pentene
(c) isopropyl-2-butene
(d) 2, 2-dimethyl-3-pentene | 1 |
32. Consider the coordination compound, $\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{6}\right] \mathrm{Cl}_{3}$. In the formation of this complex, the species which acts as the Lewis acid is:
[Main Online April 11, 2014]
(a) $\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{6}\right]^{3+}$
(b) $\mathrm{Cl}^{-}$
(c... | 1 |
67. If $f^{\prime \prime}(x)=-f(x)$ and $g(x)=f^{\prime}(x)$ and
$F(x)=\left(f\left(\frac{x}{2}\right)\right)^{2}+\left(g\left(\frac{x}{2}\right)\right)^{2}$ and given that $F(5)=5$, then $F(10)$ is
a. 5
b. 10
c. 0
d. 15 | 1 |
20. Let $f: R \rightarrow R$ be any function and $g(x)=\frac{1}{f(x)}$. Then which of following is/are not true
a. $g$ is onto if $f$ is onto.
b $g$ is one-one if $f$ is one-to-one.
c. $g$ is continuous if $f$ is continuous.
d. $g$ is differentiable if $f$ is differentiable. | 1 |
4. An inductor-coil having some resistance is connected to
an AC source. Which of the following quantities have
zero average value over a cycle ?
(a) Current (b) Induced emf in the inductor
(c) Joule heat
(d) Magnetic energy stored in the inductor | 1 |
Can a person be really in love with two persons? | 0 |
11. Benzenediazonium chloride on reaction with phenol in weakly basic medium gives
(a) diphenyl ether
(b) $p$-hydroxyazobenzene
(c) chlorobenzene
(d) benzene | 1 |
21. Number of structural isomers of $\mathrm{C}_{4} \mathrm{H}_{8} \mathrm{Br}_{2}$ are :
(A) 7
(B) 8
(C) 9
(D) 10 | 1 |
What is integral of inverse of cos? | 0 |
What are your reviews about BKS Iyengar Yoga center in Mumbai? | 0 |
Why is love conditional? | 0 |
6.135. How many elements are there in a row between those whose wavelengths of $K_{\alpha}$ lines are equal to 250 and $179 \mathrm{pm}$ ? | 1 |
38. The viscosity of olive oil at 293 K is $0.084 \mathrm{~N} \mathrm{~m}^{-2} \mathrm{~s}$ and density is $1.1 \times 10^{3} \mathrm{~kg} \mathrm{~m}^{-3}$. How long will it take to pass through a viscometer if water under the same conditions takes 30 seconds? $\left(\eta_{\mathrm{H}_{2} \mathrm{O}}=0.00101 \mathrm{Nm... | 1 |
72. The solubility of $\mathrm{Mg}(\mathrm{OH})_{2}$ in pure water is $9.57 \times 10^{-3} \mathrm{~g} /$ litre Calculate its solubility (in g/litre) in $0.02 \mathrm{M} \mathrm{Mg}\left(\mathrm{NO}_{3}\right)_{2}$ solution. | 1 |
What is the best way to be in a calorie deficit and lose weight successfully? | 0 |
According to Thomas Jefferson, when the media is free and people are literate they are what? | 0 |
32. The network shown in figure is an arrangement of nine identical resistors. The resistance of the network between points $A$ and $B$ is $1.5 \Omega$. The resistance $r$ is
(a) $1.1 \Omega$
(b) $3.3 \Omega$
(c) $1.8 \Omega$
(d) $1.6 \Omega$
_{3}$. ... | 1 |
During which ere did scholars of Germany developed a more inclusive culture? | 0 |
2.117. Find the efficiency of a cycle consisting of two isochoric and two adiabatic lines, if the volume of the ideal gas changes $n=10$ times within the cycle. The working substance is nitrogen. | 1 |
How to earn online? | 0 |
(ii) method of contradiction, | 1 |
A tragedy typically involved what subject matter? | 0 |
66. Let $n \in N, n>25$. Let $A, G, H$ denote the arithmetic mean, geometric mean and harmonic mean of 25 and $n$. The least value of $n$ for which $A, G, H \in\{25,26, \ldots, n\}$ is
a. 49
b. 81
c. 169
d. 225 | 1 |
3. IUPAC name of the given compound is :
(A) 2-Fluoro-5-formylbenzenol
(B) 4-Fluoro-3-hydroxybenzenecarbaldehyde
(C) 1-Fluoro-4-formyl-2-hydroxybenzene
(D) 4-Fluoro-5-hydroxybenzenecarbaldehyde
}=\ldots$
(1987, 2M) | 1 |
What empire was North Africa previously a part of? | 0 |
37. Molten sodium chloride conducts electricitry due to the presence of
(a) free electrons
(b) free ions
(c) free molecules
(d) atoms of sodium and chlorine | 1 |
When did Hindu temple architecture begin being produced? | 0 |
What is the best way to journal? | 0 |
In what century did the Roman Empire achieve its greatest extent? | 0 |
52. $f(x)=[\sin x]+[\cos x], x \in[0,2 \pi]$, where [.] denotes the greatest integer function. The total number of points, where $f(x)$ is non-differentiable, is equal to
a. 2
b. $3^{\prime}$
c. 5
d. 4 | 1 |
How do I apply for a Marketing/Sales job in Ubisoft, Pune? | 0 |
Whose needs were no longer relevant to the new style? | 0 |
Who was first to invade Manchuria? | 0 |
14. A hollow pipe of length $0.8 \mathrm{~m}$ is closed at one end. At its open end a $0.5 \mathrm{~m}$ long uniform string is vibrating in its second harmonic and it resonates with the fundamental frequency of the pipe. If the tension in the wire is $50 \mathrm{~N}$ and the speed of sound is $320 \mathrm{~ms}^{-1}$, t... | 1 |
In what year was the Concordat of Worms agreed to? | 0 |
What was Greece's unemployment rate between in 2009? | 0 |
What falls under the informal learning umbrella? | 0 |
1. The ratio of surface tensions of mercury and water is given to be 7.5 while the ratio of their densities is 13.6 . Their contact angles with glass are close to $135^{\circ}$ and $0^{\circ}$, respectively. It is observed that mercury gets depressed by an amount $h$ in a capillary tube of radius $r_{1}$, while water r... | 1 |
What's the funniest book? | 0 |
2. Two particles of masses $1 \mathrm{~kg}$ and $2 \mathrm{~kg}$ respectively are initially $10 \mathrm{~m}$ apart. At time $t=0$, they start moving towards each other with uniform speeds $2 \mathrm{~m} / \mathrm{s}$ and $1 \mathrm{~m} / \mathrm{s}$ respectively. Find the displacement of their centre of mass at $t=1 \m... | 1 |
What positions does the KInsey scale not use? | 0 |
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