Question stringlengths 2 3k | label int64 0 1 |
|---|---|
How do I learn Autocad from home? | 0 |
What will happen to Narendra Modi devotees if BJP loses in 2019 elections? | 0 |
12. The sum of the first four terms of an A.P. is 56. The sum of the last four terms is 112. If its first term is 11 , then find the number of terms. | 1 |
[iv] $\mathrm{Mn}\left(\mathrm{H}_2 \mathrm{O}\right) / \mathrm{SOO}_4$ | 1 |
62. If two points $P$ and $Q$ on the hyperbola $\frac{x^{2}}{a^{2}}-\frac{y^{2}}{b^{2}}=1$, whose centre $C$ be such that $C P$ is perpendicular to $C Q, a<b$, then the value of $\frac{1}{C P^{2}}+\frac{1}{C Q^{2}}$ is
a. $\frac{b^{2}-a^{2}}{2 a b}$
b. $\frac{1}{a^{2}}+\frac{1}{b^{2}}$
c. $\frac{2 a b}{b^{2}-a^{2}}$
d.... | 1 |
Does anyone in Quora have any real ghost experiences? | 0 |
6. When a photon stimulates the emission of another photon, the two photons have
(a) same energy
(b) same direction
(c) same phase
(d) same wavelength. | 1 |
What is the mystery of chanakya's death? | 0 |
How long does the average mosquito live? | 0 |
What is the epistemology of the narrative therapy? | 0 |
I accidently liked a photo on instagram then blocked the user, will the get a notification? | 0 |
How can pictures be uploaded in Quora? | 0 |
How can I see who views my Instagram? | 0 |
7.34 With what neutral molecule is $\mathrm{ClO}^{-}$isoelectronic? Is that molecule a Lewis base? | 1 |
What exactly is love? Is there true love in the world? | 0 |
10. A source emitting light of wavelengths 480 nm and
600 nm is used in a double slit interference experiment.
The separation between the slits is 0.
25 mm and the
interference is observed on a screen placed at 150 cm
from the slits. Find the linear separation between the
first maximum (next to the central maximum)
cor... | 1 |
Example 11.4 A rod of length $L$ is placed along the $x$-axis between $x=0$ and $x=L$. The linear mass density (mass/length) $\rho$ of the rod varies with the distance $x$ from the origin as $\rho=a+b x$. Here, $a$ and $b$ are constants. Find the position of centre of mass of this rod. | 1 |
When was the Rastrakuta Empire started? | 0 |
9. Consider a titration of potassium dichromate solution with acidified Mohr's salt solution using diphenylamine as indicator. The number of moles of Mohr's salt required per mole of dichromate is
(a) 3
(b) 4
(c) 5
(d) 6 | 1 |
How can I earn money from YouTube? | 0 |
Along with loyalty and honor, what virtue did the elite value? | 0 |
How much of Greece's energy consumption came from renewable sources in 2008? | 0 |
6. If $a_{0}, a_{1}, a_{2}, a_{3}$ are all positive, then $4 a_{0} x^{3}+3 a_{1} x^{2}+2 a_{2} x+a_{3}=0$ has atleast one root in $(-1,0)$, then
(a) $a_{0}+a_{2}=a_{1}+a_{3}$
(b) $4 a_{0}+2 a_{2}>3 a_{1}+a_{3}$
(c) $4 a_{0}+2 a_{2}<3 a_{1}+a_{3}$
(d) $4 a_{0}+2 a_{2}=3 a_{1}+a_{3}$ | 1 |
7. A particle is resting over a smooth horizontal floor. At $t=0$, a horizontal force starts acting on it. Magnitude of the force increases with time according to law $F=\alpha t$, where $\alpha$ is a positive constant. From figure, which of the following statements are correct?
 $1.086: 1$
(b) $1: 1.086$
(c) $2: 1.086$
(d) $1.086: 2$ | 1 |
Which is the best phone under 15000 Rs.? | 0 |
What are some tips for getting skinny fast? | 0 |
(v) Di-sec. butyl ketone | 1 |
How much do nurses get paid? | 0 |
Do any Jewish people believe in Jesus? | 0 |
9. If the equilibrium constants of the following equilibrium
$$
\mathrm{SO}_2+1 / 2 \mathrm{O}_2 \rightleftharpoons \mathrm{SO}_3 \text { and } 2 \mathrm{SO}_3 \rightleftharpoons 2 \mathrm{SO}_2+\mathrm{O}_2
$$
are given by $K_1$ and $K_2$ respectively, which of the following relations is correct?
(a) $K_2=\left(\fra... | 1 |
8. The focal chord to $y^{2}=16 x$ is tangent to $(x-6)^{2}+y^{2}=2$, then the possible value of the slope of this chord, are
a. $\{-1.1\}$
b. $\{-2,2\}$
c. $\left\{-2, \frac{1}{2}\right\}$
d. $\left\{2,-\frac{1}{2}\right\}$ | 1 |
5. Points $E$ and $F$ are given by
a. $\left(\frac{\sqrt{3}}{2}, \frac{3}{2}\right),(\sqrt{3}, 0)$
b. $\left(\frac{\sqrt{3}}{2}, \frac{1}{2}\right),(\sqrt{3}, 0)$
c. $\left(\frac{\sqrt{3}}{2}, \frac{3}{2}\right),\left(\frac{\sqrt{3}}{2}, \frac{1}{2}\right)$
d. $\left(\frac{3}{2}, \frac{\sqrt{3}}{2}\right),\left(\frac{\... | 1 |
What are the possible branches of Mtech that a civil engineer can choose in any IIT? | 0 |
15. Which polymer is used in the manufacture of paints and lacquers ?
[Main 2015]
(a) Polypropene
(b) Polyvinyl chloride
(c) Bakelite
(d) Glyptal | 1 |
What is not as common in open education? | 0 |
13. Which of the following is/are correct?
a. Between any two roots of $e^{x} \cos x=1$, there exists at least one root of $\tan x=1$.
b. Between any two roots of $e^{x} \sin x=1$, there exists at least one root of $\tan x=-1$.
c. Between any two roots of $e^{x} \cos x=1$, there exists at least one root of $e^{x} \s... | 1 |
In what year did Italians discover the Code of Justinian? | 0 |
Where we go after death? | 0 |
What happened at the 2016 VMA? | 0 |
Which employee at Apple can be said to know all or the heart of its secrets? | 0 |
Which is the best B.Ed college in India? | 0 |
I need to make a development economics thesis. What is the most easy and simple topic to choose from? Is there any website where I can download data for analysis? | 0 |
How do zodiac signs influence behaviour? | 0 |
4. Let $S$ be the set of all points in $(-\pi, \pi)$ at which the function, $f(x)=\min \{\sin x, \cos x\}$ is not differentiable. Then, $S$ is a subset of which of the following?
(2019 Main, 12 Jan I)
(a) $-\frac{\pi}{4}, 0, \frac{\pi}{4}$
(b) $-\frac{\pi}{2},-\frac{\pi}{4}, \frac{\pi}{4}, \frac{\pi}{2}$
(c) $-\frac{3... | 1 |
(e) Tetracarbonylnickel(0) | 1 |
66. $3.7 \mathrm{~g}$ of a gas at $25^{\circ} \mathrm{C}$ occupied the same volume as $0.184 \mathrm{~g}$ of hydrogen at $17^{\circ} \mathrm{C}$ and at the same pressure. What is the molecular weight of the gas? | 1 |
15. Evaluate $\int \frac{x^{3}+3 x+2}{\left(x^{2}+1\right)^{2}(x+1)} d x$. | 1 |
Why do people waste time writing answers for others in Quora? | 0 |
3. In a simple pendulum, experiment for determination of acceleration due to gravity $(g)$, time taken for 20 oscillations is measured by using a watch of 1 second least count. The mean value of time taken comes out to be $30 \mathrm{~s}$. The length of pendulum is measured by using a meter scale of least count $1 \mat... | 1 |
17. If the vectors $\mathbf{P}=a \hat{\mathbf{i}}+\alpha \hat{\mathbf{j}}+3 \hat{\mathbf{k}}$ and $\mathbf{Q}=a \hat{\mathbf{i}}-2 \hat{\mathbf{j}}-\hat{\mathbf{k}}$ are perpendicular to each other, then the positive value of $a$ is
(a) zero
(b) 1
(c) 2
(d) 3 | 1 |
How can I apply radial basis kernel function to a linear classifier? One numerical example please! | 0 |
Is Maggi safe to eat now? | 0 |
How can one remove sun tans? | 0 |
What concept is sexual orientation argued as? | 0 |
19. The excess pressure inside a soap bubble is twice the excess pressure inside a second soap bubble. The volume of the first bubble is $n$ times the volume of the second where $n$ is
(a) 4
(b) 2
(c) 1
(d) $0 \cdot 125$. | 1 |
Which book will be good for chemistry of class 11? | 0 |
2. Number of Resonating structures of the given compound are :
(A) 7
(B) 8
(C) 9
(D) 10 | 1 |
1. The acceleration of moon with respect to earth is $0.0027 \mathrm{~m} \mathrm{~s}^{-2}$ and the acceleration of an apple falling on earth's surface is about $10 \mathrm{~m} \mathrm{~s}^{-2}$. Assume that the radius of the moon is one fourth of the earth's radius. If the moon is stopped for an instant and then releas... | 1 |
What are the most followed topics on Quora in 2016? | 0 |
Any ways to heal a broken heart? | 0 |
10.3 Write structures of different dihalogen derivatives of propane. | 1 |
What is the best type of leather to paint on? | 0 |
What is the good thing of being an intj? | 0 |
3. An electrical circuit is shown in the given figure. The resistance of each voltmeter is infinite and each ammeter is $100 \Omega$. The charge on the capacitor of $100 \mu \mathrm{F}$ in steady state is $4 \mathrm{mC}$. Choose correct statement(s) regarding the given circuit.
(a) Reading of voltmeter $V_{2}$ is $16 ... | 1 |
22. Let $\vec{a}=\hat{i}+2 \hat{j}+\hat{k}, \vec{b}=\hat{i}-\hat{j}+\hat{k}$ and $\vec{c}=\hat{i}+\hat{j}-k$. Avector in the plane of $\vec{a}$ and $\vec{b}$ whose projection on $\vec{c}$ is $1 / \sqrt{3}$ is
a. $4 \hat{i}-\hat{j}+4 \hat{k}$
b. $3 \hat{i}+\hat{j}-3 \hat{k}$
c. $2 \hat{i}+\hat{j}-2 \hat{k}$
d. $4 \hat{i... | 1 |
By what age had many small states covered the subcontinent? | 0 |
20. An orbital electron in the ground state of hydrogen has the magnetic moment $\mu_{1}$. This orbital electron is excited to 3rd excited state by some energy transfer to the hydrogen atom. The new magnetic moment of the electron is $\mu_{2}$, then
(a) $\mu_{1}=4 \mu_{2}$
(b) $2 \mu_{1}=\mu_{2}$
(c) $16 \mu_{1}=\mu_{2... | 1 |
What theory did Einstein have reservations about? | 0 |
20. The resistances of a platinum resistance thermometer at the ice point, the steam point and the boiling point of sulphur are $2.50,3.50$ and $6.50 \Omega$ respectively. Find the boiling point of sulphur on the platinum scale. The ice point and the steam point measure $0^{\circ}$ and $100^{\circ}$, respectively. | 1 |
What group constituted the clergy along with the regular clergy? | 0 |
Over what issue did the eastern and western churches split? | 0 |
What is dilatant flow and its pharmaceutical significance? | 0 |
2. Four particles have velocities $1,0,2$ and $3 \mathrm{~m} / \mathrm{s}$. The root mean square velocity of the particles (definition wise) is
(a) $3.5 \mathrm{~m} / \mathrm{s}$
(b) $\sqrt{3.5} \mathrm{~m} / \mathrm{s}$
(c) $1.5 \mathrm{~m} / \mathrm{s}$
(d) $\sqrt{\frac{14}{3}} \mathrm{~m} / \mathrm{s}$ | 1 |
5. Find the perpendicular distance of a corner of a cube of unit side length from a diagonal not passing through it. | 1 |
28. Which of the following solutes will produce the largest total molality of solute particles upon addition to 1 kg of water?
(a) 1.0 mole $\mathrm{Co}\left(\mathrm{NO}_{3}\right)_{2}$
(b) 2.0 mole KCl
(c) 3.0 mole $\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH}$
(d) 3.0 mole of sugar | 1 |
How did you prepare for the AIIMS UG entrance exams? | 0 |
66. The number of different ways in which five 'alike dashes' and eight 'alike dots' can be arranged using only seven of these 'dashes' and 'dots' is
a. 350
b. 120
c. 1287
d. none of these | 1 |
Who was the pioneer of cenobitism? | 0 |
1. Planck constant has the same dimensions as
(a) force $\times$ time
(b) force $\times$ distance
(c) force $\times$ speed
(d) force $\times$ distance $\times$ time. | 1 |
How many dimensions are reported to be existing in our Universe? | 0 |
7. A unit vector parallel to the intersection of the planes $\vec{r} \cdot(\hat{i}-\hat{j}+\hat{k})=5$ and $\vec{r} \cdot(2 \hat{i}+\hat{j}-3 \hat{k})=4$ is
a. $\frac{2 \hat{i}+5 \hat{j}-3 \hat{k}}{\sqrt{38}}$
b. $\frac{2 \hat{i}-5 \hat{j}+3 \hat{k}}{\sqrt{38}}$
c. $\frac{-2 \hat{i}-5 \hat{j}-3 \hat{k}}{\sqrt{38}}$
d. ... | 1 |
7. For standardizing $\mathrm{NaOH}$ solution, which of the following is used as a primary standard?
(a) Sodium tetraborate
(b) Ferrous ammonium sulfate
(c) Oxalic acid
(d) dil. $\mathrm{HCl}$ | 1 |
What is the correct order of acidic strength of ortho, meta and para methoxy phenol.
   | 1 |
19. The potential difference between points $A$ and $B$ is
(a) $\frac{20}{7} \mathrm{~V}$
(b) $\frac{40}{7} \mathrm{~V}$
(c) $\frac{10}{7} \mathrm{~V}$
(d) zero | 1 |
I have scored 460 marks in NEET 2016. Which private colleges should I apply for? | 0 |
11. Lithium aluminium hydride reacts with silicon tetrachloride to form:
(a) $\mathrm{LiCl}, \mathrm{AlH}_{3}$ and $\mathrm{SiH}$
(b) $\mathrm{LiCl}, \mathrm{AlCl}_{3}$ and $\mathrm{SiH}$
(c) $\mathrm{LiH}, \mathrm{AlCl}_{3}$ and $\mathrm{SiCl}$
(d) $\mathrm{LiH}, \mathrm{AlH}_{3}$ and $\mathrm{SiH}_{4}$ | 1 |
39. In $\triangle A B C$, the bisector of the angle $A$ meets the side $B C$ at $D$ and the circumscribed circle at $E$, then $D E$ equals
a. $\frac{a^{2} \sec \frac{A}{2}}{2(b+c)}$
h $\frac{a^{2} \sin \frac{A}{2}}{2(b+c)}$
c. $\frac{a^{2} \cos \frac{A}{2}}{2(b+c)}$
d. $\frac{a^{2} \operatorname{cosec} \frac{A}{2}}... | 1 |
Beverages: Why do you prefer tea or coffee? | 0 |
21. If $p=a+b \omega+c \omega^{2}, q=b+c \omega+a \omega^{2}$ and $r=c+a \omega+b \omega^{2}$ where $a, b, c \neq 0$ and $\omega$ is the complex cube root of unity, then
a. If $p, q, r$ lie on the circle $|z|=2$, the triangle formed by these points is equilateral.
b. $p^{2}+q^{2}+r^{2}=a^{2}+b^{2}+c^{2}$
c. $p^{2}+q^{... | 1 |
How can one write the perfect cover letter, step by step? | 0 |
Who do you think will win the 2016 Presidential Election? | 0 |
Why do people think Trump is bad or good? | 0 |
14. Polyphosphates are used as water softening agents because they
(a) form soluble complexes with anionic species
(b) precipitate anionic species
(c) form soluble complexes with cationic species
(d) precipitate cationic species | 1 |
What must you do if you have a business idea and want to be an entrepreneur? | 0 |
2. Which of the sets given below may represent the magnitudes of three vectors adding to zero?
(a) 2, 4, 8
(b) $4,8,16$
(c) 1, 2, 1
(d) $0 \cdot 5,1,2$. | 1 |
11. How many different structural isomers of molecular formula $\mathrm{C}_{7} \mathrm{H}_{16}$ are possible, which contains five membered Parent Chain?
(A) 4
(B) 5
(C) 6
(D) 7 | 1 |
What are some weight loss Indian foods? | 0 |
Why do we love people that reject us? | 0 |
Why did Malala (Yousafzai) skip school to meet Queen Elizabeth II? | 0 |
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