Question stringlengths 2 3k | label int64 0 1 |
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When is Raut Nacha performed? | 0 |
68. A 2 ndigit number starts with 2 and all its digits are prime, then the probability that the sum of all 2 consecutive digits of the number is prime is
a. $4 \times 2^{3 n}$
b. $4 \times 2^{-3 n}$
c. $2^{3 n}$
d. none of these | 1 |
Is there a difference between native mini display port and just mini display port on Macbook air? | 0 |
What are the defects Islam has as a religion and why is it always referenced as a cult? Please support your answers with facts only. | 0 |
1. Calculate the reduction potentials for the following half cells:
(i) $\mathrm{Ag} \mid \mathrm{Ag}^{+}\left(10^{-5} \mathrm{M}\right) ; E^{0}{ }_{\mathrm{Ag}}{ }^{+}, \mathrm{Ag}=0.80 \mathrm{~V}$
(ii) $\mathrm{Cu} \mid \mathrm{Cu}^{2+}(0.2 \mathrm{M}) ; E_{\mathrm{Cu}^{2+}}{ }^{2+}, \mathrm{Cu}^{-}=0.34 \math... | 1 |
4. The temporary hardness of a water sample is due to compound $\mathrm{X}$. Boiling this sample converts $\mathrm{X}$ to compound $\mathrm{Y}$. $\mathrm{X}$ and $\mathrm{Y}$, respectively, are :
(a) $\mathrm{Mg}\left(\mathrm{HCO}_{3}\right)_{2}$ and $\mathrm{Mg}(\mathrm{OH})_{2}$
(b) $\mathrm{Ca}\left(\mathrm{HCO}_{3... | 1 |
Can I appear for the CAT for practice purposes, though I am aware that I am not eligible? | 0 |
14. If $f^{\prime}(x)=|x|-\{x\}$ where $\{x\}$ denotes the fractional part of $x$, then $f(x)$ is decreasing in
$\mathrm{a}\left(-\frac{1}{2}, 0\right)$
h. $\left(-\frac{1}{2}, 2\right)$
c. $\left(-\frac{1}{2}, 2\right)$
d $\left(\frac{1}{2}, \infty\right)$ | 1 |
19. Find the equivalent resistance between the points $a$ and $b$ of the circuit shown in figure (32-W14a). | 1 |
6. If the point $\left(x_{1}+t\left(x_{2}-x_{1}\right), y_{1}+t\left(y_{2}-y_{1}\right)\right)$ divides the join of $\left(x_{1}, y_{1}\right)$ and $\left(x_{2}, y_{2}^{2}\right)$ internally, then
a. $t<0$
b. $0<t<1$
c. $t>1$
d. $t=1$ | 1 |
How do you make fried rice yellow? | 0 |
(iv) 40 watt | 1 |
Is life unfair? Why? | 0 |
1. An ice cube is floating in water above which a layer of lighter oil is poured. As the ice melts completely, the level of interface and the upper most level of oil will respectively
(a) ... | 1 |
16. A viscous liquid flows through a horizontal pipe of varying cross-sectional area. Identify the option which correctly represents the variation of height of rise of liquid in each vertical tube
(a)
What is the value of $x+y+z$ ?
(A) 16
(B) 8
(C) 4
(D) 10 | 1 |
How does one deal with loneliness and suicidal thoughts? | 0 |
What did Émile Durkheim suggest about the existence of God? | 0 |
I want to start my own investment company. What degree (CFA or FRM or MBA etc.) should I have and what other things should I know to start the company? | 0 |
40. 10 mL of 0.1 M HCl is titrated with 0.1 M NaOH . When the volume of NaOH added from the burette is from 9.99 mL to 10.01 mL , the pH jumps approximately from
(a) 4 to 10
(b) 6 to 8
(c) 6.9 to 7.1
(d) 1 to 14 | 1 |
I am in my final year btech CSE .I want to go abroad for courses other than MS/MBA ..Are there any short term courses? | 0 |
Daniel Ek: When is Spotify coming to India? | 0 |
What is the best option to respond to Pakistan after Uri attack? | 0 |
8. The $d$-electron configuration of $\left[\mathrm{Ru}(\mathrm{en})_{3}\right] \mathrm{Cl}_{2}$ and $\left[\mathrm{Fe}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right] \mathrm{Cl}_{2}$, respectively are: [Main Sep. 03, 2020 (II)]
(a) $t_{2 g}^{6} e_{g}^{0}$ and $t_{2 g}^{6} e_{g}^{0}$
(b) $t_{2 g}^{4} e_{g}^{2}$ and... | 1 |
In what year did CBS Associated become Epic Associated? | 0 |
2. A weightless balloon is filled with water. What will be its apparent weight when weighed in water? | 1 |
20. $\frac{1}{2} \mathrm{H}_{2}(\mathrm{~g})+\mathrm{AgCl}(\mathrm{s})=\mathrm{H}^{+}(\mathrm{aq})+\mathrm{Cl}^{-}(\mathrm{aq})+\mathrm{Ag}(\mathrm{s})$ occurs in the galvanic cell:
(a) $\mathrm{Ag} / \mathrm{AgCl}$ (s) $\mid \mathrm{KCl}$ (sol) $\left|\mid \mathrm{AgNO}_{3}\right.$ (sol) $| \mathrm{Ag}$
(b) $\mathrm{P... | 1 |
Which are the best websites to learn computer programming and web programming? | 0 |
9. For which of the following processes, $\Delta \mathrm{S}$ is negative?
(a) $\mathrm{C}$ (diamond) $\rightarrow \mathrm{C}$ (graphite)
(b) $\mathrm{N}_{2}(\mathrm{~g}, 1 \mathrm{~atm}) \rightarrow \mathrm{N}_{2}(\mathrm{~g}, 5 \mathrm{~atm})$
(c) $\mathrm{N}_{2}(\mathrm{~g}, 273 \mathrm{~K}) \rightarrow \mathrm{... | 1 |
10. The ore that contains the metal in the form of fluoride is:
(a) cryolite
(b) malachite
(c) magnetite
(d) sphalerite | 1 |
12. Good reducing nature of $\mathrm{H}_{3} \mathrm{PO}_{2}$ is attributed to the presence of:
(a) Two $\mathrm{P}-\mathrm{OH}$ bonds
(b) One $\mathrm{P}-\mathrm{H}$ bond
(c) Two $\mathrm{P}-\mathrm{H}$ bonds
(d) One $\mathrm{P}-\mathrm{OH}$ bond | 1 |
10. The correct option among the following is :
(a) Colloidal medicines are more effective because they have small surface area.
(b) Addition of alum to water makes it unfit for drinking
(c) Colloidal particles in lyophobic sols can be precipitated by electrophoresis.
(d) Brownian motion in colloidal solution is f... | 1 |
7. If $\lambda$ be the ratio of the roots of the quadratic equation in $x, 3 m^{2} x^{2}+m(m-4) x+2=0$, then the least value of $m$ for which $\lambda+\frac{1}{\lambda}=1$, is
(2019 Main, 12 Jan I)
(a) $-2+\sqrt{2}$
(b) $4-2 \sqrt{3}$
(c) $4-3 \sqrt{2}$
(d) $2-\sqrt{3}$ | 1 |
The brain is separated from the bloodstream by what feature? | 0 |
16. Prove that the function $f$ given by $f(x)=\log \sin x$ is increasing on $(0, \frac{\pi}{2})$ and decreasing on $(\frac{\pi}{2}, \pi)$ | 1 |
In what modern country were Louis the German's lands? | 0 |
How do you make a thing mysterious? | 0 |
1.17. From point $A$ located on a highway (Fig. 1.2) one has to get by car as soon as possible to point $B$ located in the field at a distance $l$ from the highway. It is known that the car moves in the field $\eta$ times slower than on the highway. At what distance from point $D$ one must turn off the highway? | 1 |
What was the GDP growth rate of Greece in 2013? | 0 |
27. If $\vec{a}, \vec{b}$ and $\vec{c}$ are three unit vectors such that $\vec{a} \times(\vec{b} \times \vec{c})=\frac{1}{2} \vec{b}$, then $(\vec{b}$ and $\vec{c}$ being nonparallel)
a. angle between $\vec{a}$ and $\vec{b}$ is $\pi / 3$
b. angle between $\vec{a}$ and $\vec{c}$ is $\pi / 3$
c. angle between $\vec{a}$ a... | 1 |
28. The value of $a b c$ is
a. 500
b. 450
c. 720
d. none of these | 1 |
Is Tai Lopez on Quora? | 0 |
4. The coordinates of $A^{\prime}$ are
a. $(6,5,2)$
b. $(6,5,-2)$
c. $(6,-5,2)$
d. none of these | 1 |
52. Red phosphorus is less volatile than white phosphorus because the former has a tetrahedral structure. | 1 |
38. The frictional force acting on the smaller block is
(a) $\frac{F}{6}$
(b) $\frac{F}{3}$
(c) $\frac{F}{4}$
(d) $\frac{F}{2}$ | 1 |
How would you be more open-minded? | 0 |
What magazine had articles about Castro benefiting from corruption? | 0 |
3. A discontinuous function $y=f(x)$ satisfying $x^{2}+y^{2}=4$ is given by $f(x)=$ | 1 |
Examples for Newtons second law? | 0 |
Who is the best hacker that can help me? | 0 |
British relations with which area became strained in the 1760s-1770s? | 0 |
24. The area bounded by the loop of the curve $4 y^{2}=x^{2}\left(4-x^{2}\right)$ is
a. $7 / 3$ sq. units
b. $8 / 3$ sq. units
c. $11 / 3$ sq. units
d. $16 / 3$ sq. units | 1 |
22. A car begins from rest at time $t=0$, and then accelerates along a straight track during the interval $0<t \leq 2 \mathrm{~s}$ and thereafter with constant velocity as shown in the graph. A coin is initially at rest on the floor of the car. At $t=1 \mathrm{~s}$, the coin begins to slip and its stops slipping at $t=... | 1 |
100. Write down the reactions involved in the preparation of the following using the reagents indicated against it in parenthesis :
Propionic anhydride from propionaldehyde
$\left[\mathrm{AgNO}_{3} / \mathrm{NH}_{4} \mathrm{OH}, \mathrm{P}_{2} \mathrm{O}_{5}\right]$. | 1 |
How many years did the civil war after the death of Louis the Pious last? | 0 |
What dynasty ruled Neustria? | 0 |
21. When a surface is irradiated with light of $\lambda=4950 \AA$ a photocurrent appears which vanishes if a retarding potential $0.6 \mathrm{~V}$ is applied. When a different source of light is used, it is found that critical retarding potential is changed to 1.1 volt. Find the work-function of emitting surface and wa... | 1 |
What is recension? | 0 |
38. Locus of the point of intersection of the tangent at the end points of the focal chord of the ellipse $\frac{x^{2}}{a^{2}}+\frac{y^{2}}{b^{2}}=1$, $(b<a)$ is a/an
a. circle
b. ellipse
c. hyperbola
d. pair of straight lines | 1 |
4. The number of seven-digit integers, with sum of the digits equal to 10 and formed by using the digits 1,2 and 3 only, is
(2009)
(a) 55
(b) 66
(c) 77
(d) 88 | 1 |
How many variations of the Old Testament offer the same meaning? | 0 |
How do you bake cakes in a convection oven? | 0 |
2. Two resistors $A$ and $B$ have resistances $R_{A}$ and $R_{B}$ respectively with $R_{A}<R_{B}$. The resistivities of their materials are $\rho_{A}$ and $\rho_{B}$.
(a) $\rho_{A}>\rho_{B}$
(b) $\rho_{A}=\rho_{B}$
(c) $\rho_{A}<\rho_{B}$
(d) The information is not sufficient to find the relation between $\rho_{A}$ an... | 1 |
100. The condition that the chord $x \cos \alpha+y \sin \alpha-p=0$ of $x^{2}+y^{2}-a^{2}=0$ may subtend a right angle at the centre of the circle is
a. $a^{2}=2 p^{2}$
b. $p^{2}=2 a^{2}$
c. $a=2 p$
d. $p=2 a$ | 1 |
3. The elements with atomic numbers 101 and 104 belong to, respectively:
(a) Group 11 and Group 4
(b) Actinoids and Group 6
(c) Actinoids and Group 4
(d) Group 6 and Actinoids | 1 |
4. $n$ identical capacitors are connected in parallel to a potential difference $V$. These capacitors are then reconnected in series, their charges being left undisturbed. The potential difference obtained is
(a) zero
(b) $(n-1) V$
(c) $n V$
(d) $n^{2} V$ | 1 |
What is a tutorial on how to get more YouTube views, subscribers, and likes? | 0 |
5. The temperature of $100 \mathrm{~g}$ of water is to be raised from $24^{\circ} \mathrm{C}$ to $90^{\circ} \mathrm{C}$ by adding steam to it. Calculate the mass of the steam required for this purpose.
(JEE 1996) | 1 |
9. The product of acid catalyzed hydration of 2-phenylpropene is
(a) 3-phenyl-2-propanol
(b) 1-phenyl-2-propanol
(c) 2-phenyl-2-propanol
(d) 2-phenyl-1-propanol | 1 |
Authors of literature frequently reference what antecedents? | 0 |
When was John von Neumann's book, The Computer and the Brain published? | 0 |
Example 10 Prove that $$
3 \sin \frac{\pi}{6} \sec \frac{\pi}{3}-4 \sin \frac{5 \pi}{6} \cot \frac{\pi}{4}=1
$$ | 1 |
2. A vector has components $A_{1}, A_{2}$ and $A_{3}$ in a right-handed rectangular Cartesian coordinate system OXYZ. The coordinate system is rotated about the $x$-axis through an angle $\pi / 2$. Find the components of $A$ in the new coordinate system in terms of $A_{1}, A_{2}$ and $A_{3}$.
(IIT-JEE, 1983) | 1 |
6. Consider an ideal gas confined in an isolated closed chamber. As the gas undergoes an adiabatic expansion, the average time of collision between molecules increases as $V^{q}$, where $V$ is the volume of the gas. The value of $q$ is $\left(\gamma=\frac{C_{p}}{C_{V}}\right)$
(a) $\frac{3 \gamma+5}{6}$
(b) $\frac{\g... | 1 |
3. If $y=\tan ^{-1}\left(\frac{\log \left(e / x^{2}\right)}{\log \left(e x^{2}\right)}\right)+\tan ^{-1}\left(\frac{3+2 \log x}{1-6 \log x}\right)$, then $\frac{d^{2} y}{d x^{2}}$ is
a. 2
b. 1
c. 0
d. -1 | 1 |
14. Focus of the parabola is
a. $\left(\frac{1}{6},-\frac{7}{6}\right)$
b. $\left(\frac{1}{3}, \frac{4}{3}\right)$
c. $\left(\frac{3}{2},-\frac{3}{2}\right)$
d. $\left(-\frac{3}{4}, \frac{3}{4}\right)$ | 1 |
4. A body of mass $M$ is attached to the lower end of a metal wire, whose upper end is fixed. The elongation of the wire is $l$.
(a) Loss in gravitational potential energy of $M$ is $M g l$
(b) The elastic potential energy stored in the wire is $M g l$
(c) The elastic potential energy stored in the wire is $\frac{1}... | 1 |
Example 1.111 If $\alpha, \beta$ are the roots of the equation $2 x^{2}-3 x-6=0$, find the equation whose roots are $\alpha^{2}+2$ and $\beta^{2}+2$. | 1 |
How much does it cost to book a good wedding venue? | 0 |
What kind of movement was modern architecture in the beginning? | 0 |
15. Two soap bubbles $A$ and $B$ are kept in a closed chamber where the air is maintained at pressure $8 \mathrm{Nm}^{-2}$. The radii of bubbles $A$ and $B$ are $2 \mathrm{~cm}$, respectively. Surface tension of the soap-water used to make bubbles is $0.04 \mathrm{Nm}^{-1}$. Find the ratio $\frac{n_{B}}{n_{A}}$, where ... | 1 |
The formalist definition when applied to industry writing allows it to be called literature when it does what? | 0 |
6. An iron compound yielded $\mathrm{C}=64 \cdot 4 \%, \mathrm{H}=5.5 \%$ and $\mathrm{Fe}=29.9 \%$. What is the simple formula of the compound?
$\left(\mathrm{C}_{10} \mathrm{H}_{10} \mathrm{Fe}\right)$ | 1 |
14. A solution of $(-)-1-$ chloro -1 - phenylethane in toluene racemises slowly in the presence of a small amount of $\mathrm{SbCl}_{5}$, due to the formation of :
(a) carbanion
(b) carbene
(c) carbocation
(d) free radical | 1 |
Paleontology: Why are the animals from the Pennsylvanian period (320 Million years ago) so ugly to our modern eye? | 0 |
How did you become popular in school? | 0 |
Do fish feel thirst? | 0 |
How do you handle stress or pressure? | 0 |
What is the weirdest thing you do on a regular basis? | 0 |
What movies will you recommend for us to watch in 2017? And why? | 0 |
16. In which of the following reactions is $\Delta S$ positive?
(a) $\mathrm{H}_{2} \mathrm{O}$ (l) $\rightarrow \mathrm{H}_{2} \mathrm{O}$ (s)
(b) $3 \mathrm{O}_{2}(\mathrm{~g}) \rightarrow 2 \mathrm{O}_{3}(\mathrm{~g})$
(c) $\mathrm{H}_{2} \mathrm{O}$ (l) $\rightarrow \mathrm{H}_{2} \mathrm{O}$ (g)
(d) $\mathrm{N}_{2... | 1 |
87. $A \equiv(-4,0), B \equiv(4,0) . M$ and $N$ are the variable points of $y$-axis such that $M$ lies below $N$ and $M N=4$. Line joining $A M$ and $B N$ intersect at ' $P$ '. Locus of ' $P$ ' is
a. $2 x y-16-x^{2}=0$
b. $2 x y+16-x^{2}=0$
c. $2 x y+16+x^{2}=0$
d. $2 x y-16+x^{2}=0$ | 1 |
9. A sample of nitrogen gas is bubbled through liquid water at $25^{\circ} \mathrm{C}$ and then collected in a volume of 750 cc . The total pressure of the gas which is saturated with water vapour, is found to be 740 mm at $25^{\circ} \mathrm{C}$. The vapour pressure of water at this temperature is 24 mm . How many mol... | 1 |
How do atoms join together to form molecules? | 0 |
3. A smooth block of mass $m$ is held stationary on a smooth wedge of mass $M$
and inclination $\theta$ as shown in figure. If the system is released from rest, then the normal reaction be... | 1 |
16. The maximum number of electrons in an atom with quantum numbers $n=3, l=2$ is
(a) 2
(b) 6
(c) 10
(d) 30 | 1 |
Example 6.62 Find the points on the curve $5 x^{2}-8 x y+5 y^{2}=4$ whose distance from the origin is maximum or minimum. | 1 |
16. For complex numbers $z$ and $w$, prove that $|z|^{2} w-|w|^{2} z$ $=z-w$ if and only if $z=w$ or $z \bar{w}=1$. | 1 |
15. The correct order of the solubility of alkaline-earth metal sulphates in water is :
(a) $\mathrm{Mg}>\mathrm{Ca}>\mathrm{Sr}>\mathrm{Ba}$
(b) $\mathrm{Mg}>\mathrm{Sr}>\mathrm{Ca}>\mathrm{Ba}$
(c) $\mathrm{Mg}<\mathrm{Ca}<\mathrm{Sr}<\mathrm{Ba}$
(d) $\mathrm{Mg}<\mathrm{Sr}<\mathrm{Ca}<\mathrm{Ba}$ | 1 |
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