Question stringlengths 2 3k | label int64 0 1 |
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52. The maximum value of $x^{4} e^{-x^{2}}$ is
a. $e^{2}$
b. $\mathrm{e}^{-2}$
c. $12 e$
d $4 e^{-2}$ | 1 |
When was this writing penned? | 0 |
40. State with balanced equations what happens when :
Sulphur is precipitated in the reaction of hydrogen sulphide with sodium bisulphite solution. | 1 |
What is something that may alter the intended meaning of a message? | 0 |
Which is the best life insurance? | 0 |
As a new viewer, from which season should I start watching Doctor who? | 0 |
When was Lazzat Un Nisa completed? | 0 |
How should you deal with social anxiety? | 0 |
Glial cells control what inside the brain? | 0 |
42. Refer to the figure given :
$[2006-5 M ;-1]$
Which of the following statements is wrong?
(a) For gas $A, a=0$ and $Z$ will linearly depend on pressure
(b) For gas $B, b=0$ and $Z$ w... | 1 |
Is it legal to knowingly sell an item that will be used to commit a crime? | 0 |
3. All bulbs in the circuit shown in figure are identical. Which bulb glows most brightly?
(a) $B$
(b) $A$
(c) $D$
(d) $C$ | 1 |
20. If $y_{1}, y_{2}$ and $y_{3}$ are the ordinates of the vertices of a triangle inscribed in the parabola $y^{2}=4 a x$, then its area is
a. $\frac{1}{2 a}\left(y_{1}-y_{2}\right)\left(y_{2}-y_{3}\right)\left(y_{3}-y_{1}\right)$
b. $\frac{1}{4 a}\left(y_{1}-y_{2}\right)\left(y_{2}-y_{3}\right)\left(y_{3}-y_{1}\right)... | 1 |
What military order was founded as a result of the Northern Crusades? | 0 |
13. For complete combustion of ethanol,
$$
\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH}(l)+3 \mathrm{O}_{2}(\mathrm{~g}) \longrightarrow 2 \mathrm{CO}_{2}(\mathrm{~g})+3 \mathrm{H}_{2} \mathrm{O}(l),
$$
the amount of heat produced as measured in bomb calorimeter, is 1364.47
$\mathrm{kJ} \mathrm{mol}^{-1}$ at $25^{\circ... | 1 |
20. The height of mercury barometer is $h$ when the atmospheric pressure is $10^{5} \mathrm{~Pa}$. The pressure at $x$ in the shown diagram is
(a) $10^{5} \mathrm{~Pa}$
(b) $0.8 \times 10^... | 1 |
How do attractive people deal with people staring at them and just getting a lot of attention? | 0 |
What is the corporate culture like at Walmart? How is the culture different than other companies? | 0 |
Ex. 1. Calculate $W$ and $\Delta U$ for the conversion of 1 mole of water into 1 mole of steam at a temperature of $100^{\circ} \mathrm{C}$ and at a pressure of 1 atmosphere. Latent heat of vaporisation of water is $9720 \mathrm{cal} / \mathrm{mole}$. | 1 |
Can a Quora user who has been a fitness instructor or gym goer give me a workout plan if I'm a newbie who wants to loose fat and build lean muscle? | 0 |
Windows 10 Customer support? | 0 |
- Example 1.44 Find the equation of a straight line which cuts-off an intercept of 5 units on negative direction of $y$-axis and makes an angle of $120^{\circ}$ with the positive direction of $x$-axis. | 1 |
Is the Fastly CDN blocked in China? | 0 |
In what year did CDs come to the American market? | 0 |
15. One diagonal of a square is along the line $8 x-15 y=0$ and one of its vertex is $(1,2)$. Then the equations of the sides of the square passing through this vertex are
a. $23 x+7 y=9,7 x+23 y=53$
b. $23 x-7 y+9=0,7 x+23 y+53=0$
c. $23 x-7 y-9=0,7 x+23 y-53=0$
d. none of these | 1 |
What are the pros and cons of being a driver for Uber or Lyft in Montréal? | 0 |
- Example 10 An infinitely long conductor $P Q R$ is bent to form a right angle as shown in figure. A current I flows through $P Q R$. The magnetic field due to this current at the point $M$ is $H_{1}$. Now, another infinitely long straight conductor QS is connected at $Q$, so that current is $I / 2$ in $Q R$ as well a... | 1 |
(xii) $o-\mathrm{Br}-\mathrm{C}_{6} \mathrm{H}_{4} \mathrm{CH}\left(\mathrm{CH}_{3}\right) \mathrm{CH}_{2} \mathrm{CH}_{3}$ | 1 |
13. $\sin \left(\tan ^{-1} x\right),|x|<1$ is equal to
(A) $\frac{x}{\sqrt{1-x^{2}}}$
(B) $\frac{1}{\sqrt{1-x^{2}}}$
(C) $\frac{1}{\sqrt{1+x^{2}}}$
(D) $\frac{x}{\sqrt{1+x^{2}}}$ | 1 |
How can I reduce my weight and tummy? | 0 |
8. Which of the following compounds are the structural isomers of $\mathrm{C}_{5} \mathrm{H}_{10} \mathrm{O}$ ?
(1) 2-methylbutanal
(2) Propyl ethanoate
(3) Pentanal
(A) (1) and (2) only
(B) (1) and (3) only
(C) (2) and (3) only
(D) (1), (2) and (3) | 1 |
- 12 Figure 23-36 shows two nonconducting spherical shells fixed in place. Shell 1 has uniform surface charge density $+6.0 \mu \mathrm{C} / \mathrm{m}^{2}$ on its outer surface and radius 3.0 cm ; shell 2 has uniform surface charge density $+4.0 \mu \mathrm{C} / \mathrm{m}^{2}$ on its outer surface and radius 2.0 cm ;... | 1 |
How do you know that a girl is not interested in you at all? | 0 |
Name an Indonesian Islamic scholar who lived from 1908-1981? | 0 |
9. A short linear object of length $b$ lies along the axis of a concave mirror of focal length $f$ at a distance $u$ from the pole of the mirror. The size of the image is approximately equal to
(a) $b \frac{u-f}{f}^{1 / 2}$
(b) $b \frac{f}{u-f}$
(c) $b \frac{u-f}{f}$
(d) $b \frac{f}{u-f}^{2}$ $1 / 2$ | 1 |
71. The sum of the series $a-(a+d)+(a+2 d)-(a+3 d)+\cdots$ up to $(2 n+1)$ terms is
a. $-n d$
b. $a+2 n d$
c. $a+n d$
d. 2nd | 1 |
5. Three observers A, B and C measure the speed of light
coming from a source to be vA, vB and vC. The observer
A moves towards the source and C moves away from the
source at the same speed. The observer B stays
stationary. The surrounding space is vacuum
everywhere.
(a) $v_{A}>v_{B}>v_{C}$
(b) $v_{A}<v_{B}<v_{C}$
(c) ... | 1 |
What is the best way to have sex with my girlfriend? | 0 |
14. Let $E_{1}$ and $E_{2}$ be two ellipses $\frac{x^{2}}{a^{2}}+y^{2}=1$ and $x^{2}+\frac{y^{2}}{a^{2}}=1$ (where $a$ is a parameter). Then the locus of the points of intersection of the ellipses $E_{1}$ and $E_{2}$ is a set of curves comprising
a. two straight lines
b. one straight line
c. one circle
d. one parabola | 1 |
When did the Abyssinian crisis occur? | 0 |
The Delhi Ridge is also referred to by what name? | 0 |
Example 7.4 Evaluate $\int \frac{x^{2}+\cos ^{2} x}{1+x^{2}} \operatorname{cosec}^{2} x d x$. | 1 |
41. The combined equation of three sides of a triangle is $\left(x^{2}-y^{2}\right)(2 x+3 y-6)=0$. If $(-2, a)$ is an interior point and $(b, 1)$ is an exterior point of the triangle, then
a. $2<a<10 / 3$
b. $-2<a<10 / 3$
c. $-1<b<9 / 2$
d. $-1<b<1$ | 1 |
13. In a laser tube, all the photons
(a) have same wavelength
(b) have same energy
(c) move in same direction
(d) move with same speed. | 1 |
How was the most reliable version of the Holy Scriptures determined? | 0 |
Are zombies possible? | 0 |
When will dota2 new hero monkey king be released? | 0 |
7. The triangle formed by the tangent to the curve $f(x)=x^{2}+b x-b$ at the point $(1,1)$ and the coordinate axes, lies in the first quadrant. If its area is $2 \mathrm{sq}$ units, then the value of $b$ is
(a) -1
(b) 3
(c) -3
(d) 1 | 1 |
Which is the best site for learning programming? | 0 |
Is washing hair everyday with shampoo harmful? | 0 |
How can you get a free Hulu Plus account? | 0 |
At what event did the major Allied powers assert their conditions at the end of the war? | 0 |
What do six of the questions asses? | 0 |
What are some of the best jokes on marriage? | 0 |
How can I prepare for CDS? | 0 |
1. The angle of elevation of the top of a vertical tower standing on a horizontal plane is observed to be $45^{\circ}$ from a point $A$ on the plane. Let $B$ be the point $30 \mathrm{~m}$ vertically above the point $A$. If the angle of elevation of the top of the tower from $B$ be $30^{\circ}$, then the distance (in $\... | 1 |
44. For the reduction of $\mathrm{NO}_{3}^{-}$ion in an aqueous solution, $E^{\circ}$ is $+0.96 \mathrm{~V}$. Values of $E^{\circ}$ for some metal ions are given below
| $\mathrm{V}^{2+}(\mathrm{aq})+2 \mathrm{e}^{-} \rightarrow \mathrm{V}$ | $E^{\circ}=-1.19 \mathrm{~V}$ |
| :--- | :--- |
| $\mathrm{Fe}^{3+}(\mathrm{... | 1 |
What institution of mercantilism was established with New World colonies? | 0 |
Do you ever feel like you will never fall in love? | 0 |
18. The value of $b$ for which the equation $2 \log _{1 / 2 s}(b x+28)=-\log _{5}\left(12-4 x-x^{2}\right)$ has coincident roots if
a. $b=-12$
b. $b=4$
c. $b=4$ or $b=-12$
d. $b=-4$ or $b=12$ | 1 |
Would ISPs block forum sites and why wouldn't they? | 0 |
1.26 If 10 volumes of dihydrogen gas reacts with five volumes of dioxygen gas, how many volumes of water vapour would be produced? | 1 |
How do I get more answers in Quora for my questions? | 0 |
What's the best way to relax? | 0 |
What would you do with a million dollars? | 0 |
Which is comfortable bike Apache or Gixxer? | 0 |
What is the most useless country? | 0 |
17. If $10!=2^{p} \cdot 3^{q} \cdot 5^{r} \cdot 7^{s}$, then
a. $2 q=p$
b. $p q r s=64$
c. number of divisors of 10 ! is 280
d. number of ways of putting 10 ! as a product of two natural numbers is 135 | 1 |
63. If $t$ and $c$ are two complex numbers such that $|t| \neq|c|,|t|=1$ and $z$ $=(a t+b) /(t-c), z=x+i y$. Locus of $z$ is (where $a, b$ are complex numbers)
a. line segment
b. straight line
c. circle
d. none of these | 1 |
Name the largest country in Southeast Asia. | 0 |
How did emergency affect a common citizen in India? | 0 |
What is content marketing, and how is it different from traditional marketing? | 0 |
Is it OK to ask so many questions in Quora? | 0 |
Which is the best idea to start the business? | 0 |
Example 2.34 Prove that $\frac{1}{\sec A-\tan A}-\frac{1}{\cos A}=\frac{1}{\cos A}-\frac{1}{\sec A+\tan A}$. | 1 |
Which is the best multi-user, online project management tool? | 0 |
How do researchers make protocols like TCP/IP, HTTP, etc? | 0 |
26. The rate of diffusion of methane at a given temperature is twice that of a gas $X$. The molecular weight of $X$ is
(A) 64
(B) 32
(C) 4
(D) 8 | 1 |
28. If $y=a \log x+b x^{2}+x$ has its extremum values at $x=-1$ and $x=2$, then
(a) $a=2, b=-1$
(b) $a=2, b=-\frac{1}{2}$
(c) $a=-2, b=\frac{1}{2}$
(d) None of the above | 1 |
Where were the Marathas from? | 0 |
What are torts and contracts examples of? It what areas are they used? | 0 |
3. Which of the following function/functions have the graph symmetrical about the origin?
a. $f(x)$ given by $f(x)+f(y)=f\left(\frac{x+y}{1-x y}\right)$
h. $f(x)$ given by $f(x)+f(y)=f\left(x \sqrt{1-y^{2}}+y \sqrt{1-\dot{x}^{2}}\right)$.
c. $f(x)$ given by $f(x+y)=f(x)+f(y) \forall x, y \in R$
d. None of these | 1 |
5. Evaluate $\operatorname{Lt}_{x \rightarrow 0} \frac{64^{x}-32^{x}-16^{x}+4^{x}+2^{x}-1}{[\sqrt{(15+\cos x)}-4] \sin x}$
(a) $-96(\log 2)^{3}$
(b) $96(\log 2)^{3}$
(c) $-48(\log 2)^{3}$
(d) None of these | 1 |
Which is the best place near Bangalore to visit as a one day trip? | 0 |
Sample Problem 27.04 Multiloop circuit and simultaneous loop equations
Figure 27-13 shows a circuit whose elements have the following values: $\mathscr{E}_{1}=3.0 \mathrm{~V}, \mathscr{E}_{2}=6.0 \mathrm{~V}, R_{1}=2.0 \Omega, R_{2}=$ $4.0 \Omega$. The three batteries are ideal batteries. Find the magnitude and direct... | 1 |
What type of human is God portrayed as in some religions? | 0 |
3. The increasing order of the boiling point of the major products $\mathrm{A}, \mathrm{B}$ and $\mathrm{C}$ of the following reactions will be:
[Main Sep. 06, 2020 (II)]
(a)
(b)
 $\mathrm{Zn... | 1 |
What was the production of artwork intended for in Hawaii and how is it compared to the one intended for in Wisconsin? | 0 |
6. The extremities of latus rectum of a parabola are $(1,1)$ and $(1,-1)$, then the equation of the parabola can be
a. $y^{2}=2 x-1$
b. $y^{2}=1-2 x$
c. $y^{2}=2 x-3$
d. $y^{2}=2 x-4$ | 1 |
Which is the best place in India to travel in January? | 0 |
Ex. 56. At $25^{\circ} \mathrm{C}$ the equilibrium constant for the reaction
$$
\mathrm{NH}_{4} \mathrm{SH}(\mathrm{~s}) \rightleftharpoons \mathrm{NH}_{3}(\mathrm{~g})+\mathrm{H}_{2} \mathrm{~S}(\mathrm{~g})
$$
is $K_{p}=12$. A 10.0-litre flask is charged with 1 atm of pure $\mathrm{NH}_{3}(\mathrm{~g})$ at $25^{\ci... | 1 |
In what year did the CBS Corporation begin another CBS Records? | 0 |
What did Gregorio Marañón inject his patients with? | 0 |
What did many people in the Pre-Modern era express their faith through? | 0 |
What about summer and winter vacation in mahindra ecole hyderabad? | 0 |
Career Advice: What are the career options after BCA? | 0 |
How do I add pictures to my answers on Quora? | 0 |
What is the cutoff score in IIT Ghy GATE for civil branch? | 0 |
Do actors have sex? | 0 |
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