Question stringlengths 2 3k | label int64 0 1 |
|---|---|
If Coca-Cola stopped advertising while keeping the product in full supply, would people eventually stop drinking it? | 0 |
How is EEE in VSSUT, Burla? | 0 |
Does a charge curve spacetime? | 0 |
Which is the best tourist place in Kerala? | 0 |
17. If $\mathrm{A}=\left[\begin{array}{ll}3 & -2 \\ 4 & -2\end{array}\right]$ and $\mathrm{I}=\left[\begin{array}{ll}1 & 0 \\ 0 & 1\end{array}\right]$, find $k$ so that $\mathrm{A}^{2}=k \mathrm{~A}-2 \mathrm{I}$ | 1 |
Man I was dating just disappeared. He stopped calling. It's been four weeks. I don't call/text men except to reply. I'm old- fashioned. What happened? | 0 |
How can I lose weight quickly? Need serious help. | 0 |
67. The smallest ketone and its next homologue are reacted with $\mathrm{NH}_{2} \mathrm{OH}$ to form oxime
(a) Two different oximes are formed
(b) Three different oximes are formed
(c) Two oximes formed are optically active
(d) All oximes formed are optically active | 1 |
Can height increase after 25? | 0 |
35. What is the freezing point of a solution containing 6.84 g of sucrose per 500 g of water? $K_{f}$ for water is $1.86^{\circ} \mathrm{C} \cdot \mathrm{m}^{-1}$.
$\left(-0.074^{\circ} \mathrm{C}\right)$ | 1 |
Where in Hyderabad is the Secunderabad Railway Station? | 0 |
Which team should I join on Pokémon GO? | 0 |
What is the best day of your life and what made it so amazing it stayed in your mind forever? | 0 |
The seal of the soul was debated to lie in what two organs of the body? | 0 |
Do you know a really good app to delete ghost followers on instagram? | 0 |
15. A block of mass $m$, when attached to a uniform ideal spring with force constant $k$ and free length $L$ executes SHM. The spring is then cut in two pieces, one with free length $n L$ and other with free length $(1-n) L$. The block is also divided in the same fraction. The smaller part of the block attached to long... | 1 |
Is it possible to transmit power wirelessly through quantum entanglement? | 0 |
4. The electric field in a region is given by $\vec{E}=\frac{E_{0} x}{l} \vec{i}$. Find the charge contained inside a cubical volume bounded by the surfaces $x=0, x=a, y=0, y=a, z=0$ and $z=a$. Take $E_{0}=5 \times 10^{3} \mathrm{~N} \mathrm{C}^{-1}, l=2 \mathrm{~cm}$ and $a=1 \mathrm{~cm}$. | 1 |
Example 7.62 Evaluate $\int \frac{1}{x^{2} \sqrt{1+x^{2}}} d x$. | 1 |
8. If uranium (mass number 238 and atomic number 92) emits an $\alpha$ particle, the product has mass no. and atomic no.
(a) 236 and 92
(b) 234 and 90
(c) 238 and 90
(d) 236 and 90 | 1 |
What would you do if your house were tagged as a Pokémon GO location? | 0 |
30. If $f(x)=\left|\begin{array}{ccc}\cos (2 x) & \cos (2 x) & \sin (2 x) \\ -\cos x & \cos x & -\sin x \\ \sin x & \sin x & \cos x\end{array}\right|$
(a) $f(x)$ attains its minimum at $x=0$
(b) $f(x)$ attains its maximum at $x=0$
(c) $f^{\prime}(x)=0$ at more than three points in $(-\pi, \pi)$
(d) $f^{\prime}(x)... | 1 |
What was seen as "infantile" in the United States? | 0 |
17. The pair in which phosphorus atoms have a formal oxidation state of +3 is :
(a) Orthophosphorous and hypophosphoric acids
(b) Pyrophosphorous and pyrophosphoric acids
(c) Orthophosphorous and pyrophosphorous acids
(d) Pyrophosphorous and hypophosphoric acids | 1 |
7. The correct order of atomic radii is :
(a) $\mathrm{N}>\mathrm{Ce}>\mathrm{Eu}>\mathrm{Ho}$
(b) $\mathrm{Ho}>\mathrm{N}>\mathrm{Eu}>\mathrm{Ce}$
(c) $\mathrm{Ce}>\mathrm{Eu}>\mathrm{Ho}>\mathrm{N}$
(d) $\mathrm{Eu}>\mathrm{Ce}>\mathrm{Ho}>\mathrm{N}$ | 1 |
When is the best time to travel to Vietnam? | 0 |
How could I improve my English? | 0 |
What type of wrongful act will the state prosecute? | 0 |
The invertebrates with the largest brain are what two animals? | 0 |
When did the Spanish-American war occur? | 0 |
2. A submarine $A$ travelling at $18 \mathrm{~km} / \mathrm{h}$ is being chased along the line of its velocity by another submarine $B$ travelling at $27 \mathrm{~km} / \mathrm{h} . B$ sends a sonar signal of $500 \mathrm{~Hz}$ to detect $A$ and receives a reflected sound of frequency $v$. The value of $v$ is close to ... | 1 |
What happens where are 2 shortest paths between 2 nodes, with same weights, in Djikstra? Are both the paths valid? | 0 |
How many people died in the Indian Famine of 1899-1900? | 0 |
9. Two pendulums $X$ and $Y$ of time periods $4 \mathrm{~s}$ and $4.2 \mathrm{~s}$ are made to vibrate simultaneously. They are initially in same phase. After how many vibrations of $X$, they will be in the same phase again?
(a) 30
(b) 25
(c) 21
(d) 26 | 1 |
What will a caller hear when a sim is blocked? | 0 |
2. Consider the van der Waals constants, $a$ and $b$, for the following gases,
Gas
a/ $\left(\mathrm{atm} \mathrm{dm}^{6} \mathrm{~mol}^{-2}\right) \quad \begin{array}{lllll}1.3 & 0.2 & 5.1 & 4.1\end{array}$
$\mathrm{b} /\left(10^{-2} \mathrm{dm}^{3} \mathrm{~mol}^{-1}\right) \quad 3.2 \quad 1.7 \quad 1.0 \quad 5.0$... | 1 |
Example 2.65 If $z+1 / z=2 \cos \theta$, prove that
$$
\left|\left(z^{2 n}-1\right) /\left(z^{2 n}+1\right)\right|=|\tan n \theta|
$$ | 1 |
1. The image formed by a concave mirror is twice the size of the object. The focal length of the mirror is $20 \mathrm{~cm}$. The distance of the object from the mirror is/are
(a) $10 \mathrm{~cm}$
(b) $30 \mathrm{~cm}$
(c) $25 \mathrm{~cm}$
(d) $15 \mathrm{~cm}$ | 1 |
1. The average velocity of molecules of a gas of molecular weight $M$ at temperature $T$ is
(a) $\sqrt{\frac{3 R T}{M}}$
(b) $\sqrt{\frac{8 R T}{\pi M}}$
(c) $\sqrt{\frac{2 R T}{M}}$
(d) zero | 1 |
6. Consider the following two statements.
(A) If heat is added to a system, its temperature must increase.
(B) If positive work is done by a system in a thermodynamic process, its volume must increase.
(a) Both A and B are correct.
(b) $\mathrm{A}$ is correct but $\mathrm{B}$ is wrong.
(c) $\mathrm{B}$ is correct b... | 1 |
What are your top 3 favorite songs? Why? | 0 |
5. The results given in the below table were obtained during kinetic studies of the following reaction :
$2 \mathrm{~A}+\mathrm{B} \rightarrow \mathrm{C}+\mathrm{D}$
| Experiment | $[\mathrm{A}] /$ <br> $\mathrm{molL}^{-1}$ | $[\mathrm{B}] /$ <br> $\mathrm{molL}^{-1}$ | Initial rate/ <br> $\mathrm{molL}^{-1} \mathr... | 1 |
38. The reagents, $\mathrm{NH}_{4} \mathrm{Cl}$ and aqueous $\mathrm{NH}_{3}$ will precipitate
(a) $\mathrm{Ca}^{2+}$
(b) $\mathrm{Al}^{3+}$
(c) $\mathrm{Bi}^{3+}$
(d) $\mathrm{Mg}^{2+}$
(e) $\mathrm{Zn}^{2+}$ | 1 |
3. $y d x+\left(x+x^{2} y\right) d y=0$ | 1 |
Example 36.5
The horizontal component of the earth's magnetic field is $3.6 \times 10^{-5} \mathrm{~T}$ where the dip is $60^{\circ}$. Find the magnitude of the earth's magnetic field. | 1 |
What are some things that are prohibited if you have Mormon beliefs? | 0 |
How do I ask the right questions in professional and personal life? | 0 |
Example 8 A tuning fork of $512 \mathrm{~Hz}$ is used to produce resonance in a resonance tube experiment. The level of water at first resonance is $30.7 \mathrm{~cm}$ and at second resonance is $63.2 \mathrm{~cm}$. The error in calculating velocity of sound is
(a) $204.1 \mathrm{~cm} / \mathrm{s}$
(b) $110 \mathrm{~... | 1 |
What was the Latin of Charlemagne's era later known as? | 0 |
15. $\int_{-1}^1 g^{\prime}(x) d x$ is equal to
(a) $2 g(-1)$
(b) 0
(c) $-2 g(1)$
(d) $2 g(1)$ | 1 |
The Qing dynasty lasted through what time period? | 0 |
How do I stop sharing WhatsApp Data to the Facebook? | 0 |
Not held back by size limits, webcomics are said to have a what? | 0 |
5.224. In the Fizeau experiment on measurement of the velocity of light the distance between the gear wheel and the mirror is $l=$ $=7.0 \mathrm{~km}$, the number of teeth is $z=720$. Two successive disappearances of light are observed at the following rotation velocities of the wheel: $n_{1}=283 \mathrm{rps}$ and $n_{... | 1 |
What could be next Buffett major investments? | 0 |
7.36 Which of the followings are Lewis acids? $\mathrm{H}_{2} \mathrm{O}, \mathrm{BF}_{3}, \mathrm{H}^{+}$, and $\mathrm{NH}_{4}^{+}$ | 1 |
12. The velocity of a particle decreases uniformly from $20 \mathrm{~ms}^{-1}$ to zero in $10 \mathrm{~s}$ as shown in figure. If the mass of the particle is $2 \mathrm{~kg}$, then identify the correct statement.
 $\mathrm{NO} \rightarrow \mathrm{NO}^{+}$
(b) $\mathrm{N}_{2} \rightarrow \mathrm{N}_{2}^{+}$
(c) $\mathrm{C}_{2} \rightarrow \m... | 1 |
Which British territory received independence in 1961? | 0 |
What does life after death look like? | 0 |
How can I tell if my girlfriend really loves me? | 0 |
What is it like to be in a relationship with someone with borderline personality disorder? | 0 |
When did Sudan receive independence? | 0 |
Why are the child rape accusations against Trump being overlooked? | 0 |
14. On complete hydrogenation, natural rubber produces
[Adv. 2016]
(a) ethylene-propylene copolymer
(b) vulcanised rubber
(c) polypropylene
(d) polybutylene | 1 |
46. Elements of the same mass number but of different atomic numbers are known as______________. | 1 |
What is the name of the supergroup that animals have been placed in by molecular studies? | 0 |
9. What is the work function of the metal if the light of wavelength $4000 \AA$ generates photoelectrons of velocity $6 \times 10^{5} \mathrm{~ms}^{-1}$ from it?
(Mass of electron $=9 \times 10^{-31} \mathrm{~kg}$
Velocity of light $=3 \times 10^{\mathrm{I}} \mathrm{ms}^{-1}$
Planck's constant $=6.626 \times 10^{-... | 1 |
38. A circular loop of radius $20 \mathrm{~cm}$ carries a current of $10 \mathrm{~A}$. An electron crosses the plane of the loop with a speed of $2.0 \times 10^{6} \mathrm{~m} \mathrm{~s}^{-1}$. The direction of motion makes an angle of $30^{\circ}$ with the axis of the circle and passes through its centre. Find the ma... | 1 |
My boyfriend believes when he first saw me it was love at first sight. Is this possible? | 0 |
35. The decreasing order of the size of the void is
(a) cubic $>$ octahedral $>$ tetrahedral $>$ trigonal
(b) trigonal $>$ tetrahedral $>$ octahedral $>$ cubic
(c) trigonal $>$ octahedral $>$ tetrahedral $>$ cubic
(d) cubic $>$ tetrahedral $>$ octahedral $>$ trigonal | 1 |
How do I convince my friend's parents for an intercast marriage? | 0 |
How I prepare for upsc at home? | 0 |
30. A block of ice of total area $A$ and thickness $0.5 \mathrm{~m}$ is floating in water. In order to just support a man of mass $100 \mathrm{~kg}$, the area $A$ should be (the specific gravity of ice is 0.9 )
(a) $2.2 \mathrm{~m}^{2}$
(b) $1.0 \mathrm{~m}^{2}$
(c) $0.5 \mathrm{~m}^{2}$
(d) None of these | 1 |
43. If $g(x)=x^{2}+x-2$ and $\frac{1}{2} g o f(x)=2 x^{2}-5 x+2$, then which is not a possible $f(x)$ ?
a. $2 x-3$
b. $-2 x+2$
c. $x-3$
d. None of these | 1 |
16. A length-scale $(l)$ depends on the permittivity $(\varepsilon)$ of a dielectric material. Boltzmann constant $\left(\mathrm{k}_{\mathrm{B}}\right)$, the absolute temperature ( T ), the number per unit volume ( n ) of certain charged particles, and the charge (q) carried by each of the particles. Which of the follo... | 1 |
What is a good project on data mining? | 0 |
113. $A B C D$ is a square of length $a, a \in N, a>1$. Let $L_{1}, L_{2}, L_{3}, \ldots$ be points on $B C$ such that $B L_{1}=L_{1} L_{2}=L_{2} L_{3}=\cdots=1$ and $M_{1}, M_{2}$, $M_{3}, \ldots$ be points on $C D$ such that $C M_{1}=M_{1} M_{2}=M_{2} M_{3}=\cdots=1$. Then $\sum_{n=1}^{a-1}\left(A L_{n}^{2}+L_{n} M_{... | 1 |
What process is better than allowing bribes to remain in place? | 0 |
1.274. A thin uniform square plate with side $l$ and mass $M$ can rotate freely about a stationary vertical axis coinciding with one of its sides. A small ball of mass $m$ flying with velocity $v$ at right angles to the plate strikes elastically the centre of it. Find:
(a) the velocity of the ball $\mathbf{v}^{\prime}... | 1 |
1. Find the $20^{\text {th }}$ and $n^{\text {th }}$ terms of the G.P. $\frac{5}{2}, \frac{5}{4}, \frac{5}{8}, \ldots$ | 1 |
Why would my ex block me and then unblock me? | 0 |
What's the best history of Silicon Valley? | 0 |
What is your best 2016 movie? | 0 |
Would you like to tell me some of your Christmas customs? | 0 |
1. Prove that $\frac{d^{n}}{d x^{n}}\left(e^{2 x}+e^{-2 x}\right)=2^{n}\left[e^{2 x}+(-1)^{n} e^{-2 x}\right]$. | 1 |
- Example 4
n-type extrinsic semiconductor is negatively charged, while p-type extrinsic semiconductor is positively charged. Is this statement true or false? | 1 |
How do I get my best friend to keep my secret? | 0 |
My girlfriend broke up with me because her homophobic family won't accept me. But she tells me she will always love me. What should I do? | 0 |
Why did Germany lose WWII? | 0 |
32. The value of $\lim _{m \rightarrow \infty}\left(\cos \frac{x}{m}\right)^{m}$ is
a. 1
b. $e$
c. $e^{-1}$
d. None of these | 1 |
What was the worst decision you have ever made in your life and still regretted it for that? | 0 |
How can I convert a single phase 220 V (50 Hz) supply to single phase 120/240 V (60 Hz) output? | 0 |
Why does the NuvaRing fail? | 0 |
25. Two beams of light having intensities $I$ and $4 I$ interfere to produce a fringe pattern on a screen. The phase difference between the beams is $\pi / 2$ at point $A$ and $\pi$ at point $B$. Then the difference between resultant intensities at $A$ and $B$ is
(a) $2 I$
(b) $4 I$
(c) $5 I$
(d) 7 I | 1 |
What is Atal Pension Yojana? What are its benefits? | 0 |
2. A substance cools from $75^{\circ} \mathrm{C}$ to $70^{\circ} \mathrm{C}$ in $T_{1}$ minute, from $70^{\circ} \mathrm{C}$ to $65^{\circ} \mathrm{C}$ in $T_{2}$ minute and from $65^{\circ} \mathrm{C}$ to $60^{\circ} \mathrm{C}$ in $T_{3}$ minute, then
(a) $T_{1}=T_{2}=T_{3}$
(b) $T_{1}<T_{2}<T_{3}$
(c) $T_{1}>T_{2}>T... | 1 |
5. A disc of mass $3 m$ and a disc of mass $m$ are connected by a massless spring of stiffness $k$. The heavier disc is placed on the ground with the spring vertical and lighter disc on top. From its equilibrium position the upper disc is pushed down by a distance $\delta$ and released. Then
(a) if $\delta>\frac{3 m g... | 1 |
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