Question stringlengths 2 3k | label int64 0 1 |
|---|---|
What is the best way make extra money? | 0 |
1. Two materials having coefficients of thermal conductivity " $3 K$ ' and ' $K$ ' and thickness ' $d$ ' and ' $3 d$ ' respectively, are joined to form a slab as shown in the figure. The temperatures of the outer surfaces are ' $\theta_{2}$ ' and ' $\theta_{1}$ ' respectively, $\left(\theta_{2}>\theta_{1}\right)$. The ... | 1 |
18. If the nitrogen atom had electronic configuration $1 s^7$, it would have energy lower than that of the normal ground state configuration $1 s^2, 2 s^2 2 p^3$, because the electrons would be closer to the nucleus. Yet, $1 s^7$ is not observed because it violates
(a) Heisenberg uncertainty principle
(b) Hund rule
(c)... | 1 |
When did the Chalukya Empire rule? | 0 |
25. Consider a function $y=f(x)=|x+2|+2|x-2|$ find the minimum value of the function
(a) 1
(b) 4
(c) 3
(d) None of these | 1 |
12. The number of $\mathrm{S}-\mathrm{S}$ bonds in sulphur trioxide trimer $\left(\mathrm{S}_{3} \mathrm{O}_{9}\right)$ is
(a) three
(b) two
(c) one
(d) zero | 1 |
17. If $\tan ^{-1} \frac{a+x}{a}+\tan ^{-1} \frac{a-x}{a}=\frac{\pi}{6}$, then $x^{2}=$
a $2 \sqrt{3} a$
b. $\sqrt{3} a$
c. $2 \sqrt{3} a^{2}$
d none of these | 1 |
6. The concentration of dissolved oxygen (DO) in cold water can go upto
(a) $14 \mathrm{ppm}$
(b) $8 \mathrm{ppm}$
(c) $10 \mathrm{ppm}$
(d) $16 \mathrm{ppm}$ | 1 |
71. $P(z)$ be a variable point in the Argand plane such that $|z|=$ minimum $\{|z-1|,|z+1|\}$ then $z+\bar{z}$ will be equal to
a. -1 or 1
b. 1 but not equal to -1
c. -1 but not equal to 1
d. none of these | 1 |
(i) $\mathrm{K} \mid \mathrm{Cr}\left(\mathrm{H}_2 \mathrm{O}\right)_2\left(\mathrm{C}_2 \mathrm{O}_4\right)_2$ | 1 |
27. Let us define $D(n)=$ sum of all the digits of $n$ (Digital sum of number $n$ )
So $\mathrm{D}(10)=1+0=1$
$\mathrm{D}(7896)=7+8+9+6=30$
Then find $D\left(D\left(D\left(4444^{4444}\right)\right)\right)$ | 1 |
28. The value of $\int_{\sqrt{\ln 2}}^{\sqrt{\ln 3}} \frac{x \sin x^{2}}{\sin x^{2}+\sin \left(\ln 6-x^{2}\right)} d x$ is
a. $\frac{1}{4} \ln \frac{3}{2}$
b. $\frac{1}{2} \ln \frac{3}{2}$
c. $\ln \frac{3}{2}$
d $\frac{1}{6} \ln \frac{3}{2}$ | 1 |
How many cars are there in Delhi/NCR? | 0 |
What river runs along the badlands in the northeast of Rajasthan | 0 |
Which is the best wind turbine model? | 0 |
109. Messages are conveyed by arranging four white, one blue and three red flags on a pole. Flags of the same colour are alike. If a message is transmitted by the order in which the colours are arranged, the total number of messages that can be transmitted if exactly six flags are used is
a. 45
b. 65
c. 125
d. 185 | 1 |
What would be some pros and cons of Donald Trump becoming president? | 0 |
What would it mean if you dream about being attacked? | 0 |
Example 2.109 Find the locus of point $z$ if $z, i$ and $i z$ are
collinear. | 1 |
In Africa, the finances are often moved where? | 0 |
6. Which of the following exists as covalent crystals in the solid state?
[Main 2013]
(a) Iodine
(b) Silicon
(c) Sulphur
(d) Phosphorus | 1 |
How cold can the Gobi Desert get, and how do its average temperatures compare to the ones in the Thar Desert? | 0 |
Where did Britain's army attack in 1961? | 0 |
4. The pair in which both the species have the same magnetic moment (spin only) is :
[Main Sep. 04, $2020(\mathrm{I})]$
(a) $\left[\mathrm{Cr}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{2+}$ and $\left[\mathrm{Fe}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{2+}$
(b) $\left[\mathrm{Co}(\mathrm{OH})_{4}\r... | 1 |
72. The numerical value of $\tan 20^{\circ} \tan 80^{\circ} \cot 50^{\circ}$ is equal to
a. $\sqrt{3}$
h $\frac{1}{\sqrt{3}}$
c. $2 \sqrt{3}$
d $\frac{1}{2 \sqrt{3}}$ | 1 |
When did Richard Lazarus die? | 0 |
Britain feared Russia would invade what country/territory? | 0 |
23. A ray of light is incident on the left vertical face of glass cube of refractive index $n_{2}$, as shown in figure. The plane of incidence is the plane of the page, and the cube is surrounded by liquid (refractive index $=n_{1}$ ). What is the largest angle of incidence $\theta_{1}$ for which total internal reflect... | 1 |
6. When an impurity is doped into an intrinsic
semiconductor, the conductivity of the semiconductor
(a) increases (b) decreases
(c) remains the same (d) becomes zero. | 1 |
10. There are two wires $a b$ and $c d$ in a vertical plane as shown in figure. Direction of current in wire $a b$ is rightwards. Choose the correct options.
(a) If wire $a b$ is fixed, the... | 1 |
What is the oil that Subway uses on their sandwiches? | 0 |
30. Consider the Assertion and Reason given below.
Assertion (A) : Ethene polymerized in the presence of Ziegler Natta Catalyst at high temperature and pressure is used to make buckets and dustbins.
Reason (R) : High density polymers are closely packed and are chemically inert.
[Main Sep. 06, $2020(\mathrm{I})$ ]
C... | 1 |
How should I speak loud and clear? | 0 |
Can someone provide feedback about Tevatron Technologies Pvt. Ltd at Noida? | 0 |
6. If $f(x)=\cos x \cdot \cos 2 x \cdot \cos 4 x \cdot \cos 8 x \cdot \cos 16 x$, then $f^{\prime}\left(\frac{\pi}{4}\right)$ is
a. $\sqrt{2}$
b $\frac{1}{\sqrt{2}}$
c. 1
d. None of these | 1 |
How safe is new Rs 500 and Rs 2000 Indian currency notes? | 0 |
Human Rights: Is freedom of speech and expression really followed in India? | 0 |
(b) What is the probability that the electron can be detected in the middle one-third of the well? | 1 |
11. The value of ' $c$ ' for which the set $\left\{(x, y) \mid x^{2}+y^{2}+2 x\right.$ $\leq 1\} \cap\{(x, y) \mid x-y+c \geq 0\}$ contains only one point in common is
a. $(-\infty,-1] \cup[3, \infty)$
b. $\{-1,3\}$
c. $\{-3\}$
d. $\{-1\}$ | 1 |
What would you do if ordered a cake for a child's birthday, and a mix-up led to you receiving an erotic cake instead? | 0 |
What does non-material culture refer to? | 0 |
What is more important for a textual critic: quality or quantity? | 0 |
What are some examples of an ionic bond? | 0 |
When established in 1928, which airport served as the base of the Delhi Flying Club? | 0 |
2. If the equations $x^{2}+2 x+3=0$ and $a x^{2}+b x+c=0$, $a, b, c \in R$ have a common root, then $a: b: c$ is
(a) $1: 2: 3$
(b) $3: 2: 1$
(c) $1: 3: 2$
(d) $3: 1: 2$
(2013 Main) | 1 |
62. From a point $R(5,8)$ two tangents $R P$ and $R Q$ are drawn to a given circle $S=0$ whose radius is 5 . If circumcentre of the triangle $P Q R$ is $(2,3)$, then the equation of circle $S=0$ is
a. $x^{2}+y^{2}+2 x+4 y-20=0$
b. $x^{2}+y^{2}+x+2 y-10=0$
c. $x^{2}+y^{2}-x-2 y-20=0$
d. $x^{2}+y^{2}-4 x-6 y-12=0$ | 1 |
During whose reign did the Mughal Empire reach its greatest expanse? | 0 |
24. The octet rule is not valid for the molecule
(a) $\mathrm{CO}_{2}$
(b) $\mathrm{H}_{2} \mathrm{O}$
(c) $\mathrm{O}_{2}$
(d) $\mathrm{CO}$ | 1 |
(g) Guess a possible reason why water has a much greater dielectric constant ( $=80$ ) than say, mica (=6). | 1 |
What percentage of India's foreign visitors came to Rajasthan from 2009 to 2010? | 0 |
Where is the camera on an iPad 2? | 0 |
67. $\mathrm{H}_{2} \mathrm{O}_{2}+\mathrm{PbS}=\mathrm{PbSO}_{4}+\mathrm{H}_{2} \mathrm{O}$ | 1 |
Which group took control in 1933? | 0 |
What is a common house hold item that weighs 10oz? | 0 |
How much should I pay for a 2nd hand iphone 5s? | 0 |
Ex. 17. Equal weights of Zn metal and iodine are mixed together and the iodine is completely converted to $\mathrm{ZnI}_{2}$. What fraction by weight of the original zinc remains unreacted?
$$
(\mathrm{Zn}=65, \mathrm{I}=127)
$$ | 1 |
57. The monochromatic beam of light is incident at $60^{\circ}$ on one face of an equilateral prism of refractive index n and emerges from the opposite face making an angle $\theta(n)$ with the normal (see the figure). For
$n=\sqrt{3}$ the value of $\theta$ is $60^{\circ}$ and $\frac{d \theta}{d n}=m$. The value of $m$... | 1 |
What are some places to visit in Pakistan? | 0 |
In what environment were many of the first human settlements? | 0 |
How do I find a prostitute in Coimbatore? | 0 |
What are some useful Texas holdem strategies? | 0 |
5. A vector $\vec{A}$ points vertically upward and $\vec{B}$ points towards north. The vector product $\vec{A} \times \vec{B}$ is
(a) along west
(b) along east
(c) zero
(d) vertically downward. | 1 |
3. The third ionization enthalpy is minimum for:
(a) Co
(b) $\mathrm{Fe}$
(c) $\mathrm{Ni}$
(d) $\mathrm{Mn}$ | 1 |
Are there any companies that can help you setup your stipe payment processing for your on-demand business? | 0 |
Why does Friedrinch Netzsche believe human rights exist? | 0 |
1. In the sixth period, the orbitals that are filled are :
(a) $6 s, 4 f, 5 d, 6 p$
(b) $6 s, 5 d, 5 f, 6 p$
(c) $6 s, 5 f, 6 d, 6 p$
(d) $6 s, 6 p, 6 d, 6 f$ | 1 |
What was the most expensive thing you ever bought? | 0 |
Illustration 1.37 Check whether the given three vectors are coplanar or non-coplanar:
$$
-2 \hat{i}-2 \hat{j}+4 \hat{k},-2 \hat{i}+4 \hat{j}-2 \hat{k}, 4 \hat{i}-2 \hat{j}-2 \hat{k}
$$ | 1 |
 | 1 |
Explain the major factors contributing to a higher ecological footprint? | 0 |
10. A hydrated sulphate of a metal contained $8 \cdot 1 \%$ of the metal and $43 \cdot 2 \%$ of $\mathrm{SO}_{4}^{2-}$ by weight. Assuming the specific heat of the metal to be $0 \cdot 242$, determine the formula of the hydrated sulphate.
$\left[\mathrm{M}_{2}\left(\mathrm{SO}_{4}\right)_{3} \cdot 18 \mathrm{H}_{2} \ma... | 1 |
On what type of clash is the Mahabharata thought to have been based? | 0 |
(a) the rotation of earth about its axis. | 1 |
6. Find the sum of the vectors $\vec{a}=\hat{i}-2 \hat{j}+\hat{k}, \vec{b}=-2 \hat{i}+4 \hat{j}+5 \hat{k}$ and $\vec{c}=\hat{i}-6 \hat{j}-7 \hat{k}$. | 1 |
What factors within my control will maximize the effectiveness of my chemotherapy? | 0 |
How can I recover my emails from my Gmail account? | 0 |
10. The value of $m$ for which straight line $3 x-2 y+z+3=0=4 x-3 y+4 z+1$ is parallel to the plane $2 x-y+m z-2=0$ is
a. -2
b. 8
c. -18
d. 11 | 1 |
If the Indian government has decided to demonetise 500 and 1000 rupee notes, why are they bringing back new 500 and 2000 Rs notes? | 0 |
6. For the following reactions
where
$$
\mathrm{Z}=\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{O}^{\ominus}(\mathrm{A}) \text { or } \mathrm{H}_{3} \mathrm{C}-\stackrel{\mathrm{CH}_{3}^{\math... | 1 |
What is your opinion on the discontinuation of 500 and 1000 rupee notes? | 0 |
I am a 3rd year civil engineering student. I want do a summer internship. Which are the companies and how do I apply? | 0 |
1. One plano-convex and one plano-concave lens of same radius of curvature $R$ but of different materials are joined side by side as shown in the figure. If the refractive index of the material of 1 is $\mu_{1}$ and that of 2 is $\mu_{2}$, then the focal length of the combination is
=\left[\log _{e} x\right]+\sqrt{\left\{\log _{e} x\right\}}, x>1$, where [.] and $\{$.$\} denote$
$L$ the greatest integer function and the fractional part function, respectively, then
a. $f(x)$ is continuous but non-differentiable at $x=e$
b. $f(x)$ is differentiable at $x=e$
c. $f(x)$ is discontinuous at... | 1 |
What question on Quora has the most views? | 0 |
Selling online from the UK; if I take payment immediately for a pre-order, how long do I have to fulfil that order? | 0 |
What does DDR mean in DDR3? | 0 |
Ex. 7. Two moles of a gas at 1 bar and 298 K are compressed at constant temperature
by use of a constant pressure of 5 bar. How much work is done on the gas? If the compression is driven by a 100-kg mass, how far will it fall in the earth's gravitational field? $\left(\mathrm{g}=9.8 \mathrm{~m} \mathrm{~s}^{-2}\right)$ | 1 |
Is there a way to download a torrent directly to my GDrive/Dropbox etc.? | 0 |
What was the name of the book that Darwin wrote on emotions? | 0 |
2. If $\alpha+\beta+\gamma=2 \pi$, then
(a) $\tan \frac{\alpha}{2}+\tan \frac{\beta}{2}+\tan \frac{\gamma}{2}=\tan \frac{\alpha}{2} \tan \frac{\beta}{2} \tan \frac{\gamma}{2}$
(1979, 2M)
(b) $\tan \frac{\alpha}{2} \tan \frac{\beta}{2}+\tan \frac{\beta}{2} \tan \frac{\mathrm{Y}}{2}+\tan \frac{\mathrm{Y}}{2} \tan \fra... | 1 |
6. The correct stability order of the following resonance structures is
(a) (I) $>$
(II) $>$
(IV) $>$ (III)
(b) (I) $>$
(III) $>$
(II) $>$ (IV)
(c) (II) $>$
(I) $>$
(III) $>$ (IV)
(d) (III) $>$
(I) $>$
(IV) $... | 1 |
Which iPhone app do you use the most? | 0 |
3. $A B C$ is a triangular park with $A B=A C=100 \mathrm{~m}$. A vertical tower is situated at the mid-point of $B C$. If the angles of elevation of the top of the tower at $A$ and $B$ are $\cot ^{-1}(3 \sqrt{2})$ and $\operatorname{cosec}^{-1}(2 \sqrt{2})$ respectively, then the height of the tower (in $\mathrm{m}$ )... | 1 |
Whose work did the theory of Stanley Schachter build on? | 0 |
Why is Dropbox important for business? | 0 |
4.  | 1 |
40. The area bounded by the curve $y^{2}=1-x$ and the lines $y=\frac{|x|}{x}, x=-1$ and $x=\frac{1}{2}$ is
a. $\frac{3}{\sqrt{2}}-\frac{11}{6}$ sq. units
b $3 \sqrt{2}-\frac{11}{4}$ sq. units
c. $\frac{6}{\sqrt{2}}-\frac{11}{5}$ sq. units
d. None of these | 1 |
Is there anything in the world that is more pleasurable than sex? | 0 |
28.  | 1 |
2. In the circuit shown in the figure, switch $S$ is closed at time $t=0$. Select the correct statements.
(a) Rate of increase of charge is same in both the capacitors
(b) Ratio of charge ... | 1 |
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