Question stringlengths 2 3k | label int64 0 1 |
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What can be a good topic of a seminar on the internet? | 0 |
62. The set of all $x$ in $\left(\frac{-\pi}{2}, \frac{\pi}{2}\right)$ satisfying $|4 \sin x-1|<\sqrt{5}$ is given by
a. $\left(-\frac{\pi}{10}, \frac{3 \pi}{10}\right)$
b $\left(\frac{\pi}{10}, \frac{3 \pi}{10}\right)$
c. $\left(\frac{\pi}{10}, \frac{3 \pi}{10}\right)$
d. none of these | 1 |
22. A current $I=\sqrt{2}$ A flows in a circuit having the shape of isosceles trapezium. The ratio of the bases of the trapezium is 2 . Find the magnetic induction $B$ at symmetric point $O$ in the plane of the trapezium. The length of the smaller base of the trapezium is $100 \mathrm{~mm}$ and the distance $r=50 \math... | 1 |
Has anyone taken advantage of your generosity? | 0 |
4. The process that is NOT endothermic in nature is :
(a) $\operatorname{Ar}(\mathrm{g})+\mathrm{e}^{-} \rightarrow \mathrm{Ar}^{-}(\mathrm{g})$
(b) $\mathrm{H}(\mathrm{g})+\mathrm{e}^{-} \rightarrow \mathrm{H}^{-}(\mathrm{g})$ \text { (c) } \mathrm{O}^{-}\left(\text {g) }+\mathrm{e}^{-} \rightarrow \mathrm{O}^{2-}\le... | 1 |
8. $\sqrt{x^{2}+3 x}$ | 1 |
How have you dealt with losing love for your partner (or your partner losing love for you)? Did the love reignite or did the relationship not work out? | 0 |
Can the modern day hospital electronic equipments used to monitor patient vitals be replaced by iPads? | 0 |
101. Arrange the following in increasing order of expected enol content
$\mathrm{CH}_{3} \mathrm{COCH}_{2} \mathrm{CHO}, \mathrm{CH}_{3} \mathrm{COCH}_{3}, \mathrm{CH}_{3} \mathrm{CHO}, \mathrm{CH}_{3} \mathrm{COCH}_{2} \mathrm{COCH}_{3}$ | 1 |
What can the scales for sexual orientation be used for? | 0 |
2. If the circle $x^{2}+y^{2}=a^{2}$ intersects the hyperbola $x y=c^{2}$ in four points $P\left(x_{1}, y_{1}\right), Q\left(x_{2}, y_{2}\right), R\left(x_{3}, y_{3}\right), S\left(x_{4}, y_{4}\right)$, then
(IIT-JEE, 1998)
a. $x_{1}+x_{2}+x_{3}+x_{4}=0$
b. $y_{1}+y_{2}+y_{3}+y_{4}=0$
c. $x_{1} x_{2} x_{3} x_{4}=c^{4}... | 1 |
13. How many molecules of $\mathrm{CO}_2$ are contained in one litre of air if the volume content of $\mathrm{CO}_2$ is $0.03 \%$ at NTP?
$$
\left(8.06 \times 10^{18}\right)
$$ | 1 |
Are there times when an editor's judgement should be deferred? | 0 |
18. If the roots of the equation $x^{2}-2 a x+a^{2}+a-3=0$ are real and less than 3 , then $\begin{array}{ll}\text { a. } a<2 & \text { b. } 2 \leq a \leq 3 \\ \text { c. } 3<a \leq 4 & \text { d. } a>4\end{array}$
d. $a>4$ (IIT-JEE, 1999) | 1 |
How dangerous could a nihilist person be to society? | 0 |
4. Naphthalene, has three resonance forms. Draw them. | 1 |
Why does people migrate from India to abroad? | 0 |
What organization was Greek a founding member? | 0 |
Which are the best universities to pursue higher studies in Canada in the field of Machine Learning or Computational Linguistics? | 0 |
I want to invest in IPO, which should I subscribe? | 0 |
What did 19th century formal architectural training neglect? | 0 |
54. Let $A, B, C$ be three mutually independent events. Consider the two statements $S_{1}$ and $S_{2}$.
$S_{1}: A$ and $B \cup C$ are independent.
$S_{2}: A$ and $B \cap C$ are independent.
Then
a. both $S_{1}$ and $S_{2}$ are true
b. only $S_{1}$ is true
c. only $S_{2}$ is true
d. neither $S_{1}$ nor $S_{2}$ is tr... | 1 |
What did the Reagan administration increase on the Soviet Union? | 0 |
Example 8 In the figure shown, find
(a) time of flight of the projectile along the inclined plane.
(b) range $O P$ | 1 |
19. Column I describes some situations in which a small object moves. Column II describes some characteristics of these motions. Match the situations in Column I with the characteristics in Column II.
| Column I ... | 1 |
17. Area of triangle $A B C$ in sq. units is
a. 24
b. $8 \sqrt{6}$
c. $4 \sqrt{6}$
d. none of these | 1 |
31 SSM Two identical traveling waves, moving in the same direction, are out of phase by $\pi / 2 \mathrm{rad}$. What is the amplitude of the resultant wave in terms of the common amplitude $y_{m}$ of the two combining waves? | 1 |
Is Buildmylikes.com legit? | 0 |
Example 4.6 In a triangle $A B C$ prove that $3 / 2 \leq a /(a$ $+c)+b /(c+a)+c /(a+b)<2$ (equality when $a=b=c$ ). | 1 |
Is time travel already possible on Earth? | 0 |
If a seed was planted in the center of a sphere of soil, floated to the center of a room with no gravity, watered and lighted evenly from all directions, what would the plant look like? | 0 |
(v) $\mathrm{Cl}_2+\mathrm{OH}^{-} \rightarrow \mathrm{Cl}^{-}+\mathrm{ClO}^{-}$ | 1 |
55. The complex number associated with the vertices $A, B, C$ of $\triangle A B C$ are $e^{i \theta}, \omega, \bar{\omega}$, respectively [where $\omega, \bar{\omega}$ are the complex cube roots of unity and $\cos \theta>\operatorname{Re}(\omega)]$, then the complex number of the point where angle bisector of $A$ meets... | 1 |
20. $\mathrm{NaOH}$ is a strong base. What will be $\mathrm{pH}$ of $5.0 \times 10^{-2} \mathrm{M} \mathrm{NaOH}$ solution $?(\log 2=0.3)$
(a) 14.00
(b) 13.70
(c) 13.00
(d) 12.70 | 1 |
If vacuum energy is created as space expands, can infinite energy be created? | 0 |
How many particles were discovered yet? | 0 |
1. When a proton is released from rest in a room, it starts with an initial acceleration $a_{0}$ towards west. When it is projected towards north with a speed of $v_{0}$, it moves with an initial acceleration $3 a_{0}$ towards west. Find the electric field and the minimum possible magnetic field in the room.
(a) $E=\fr... | 1 |
What river is Hyderabad next to? | 0 |
What questions did Sell consider the most important on the KInsey scale? | 0 |
What is the total length of the Delhi Metro? | 0 |
8. The operating potential in an X-ray tube is increased by $2 \%$. The percentage change in the cut off wavelength is
(a) $1 \%$ increase
(b) $2 \%$ increase
(c) $2 \%$ decrease
(d) $1 \%$ decrease | 1 |
What do rich people think about? | 0 |
| 7 |  | | | | | | 1 |
What is the best LSAT prep? | 0 |
Can God make a mistake? | 0 |
What are some mind-blowing car gadgets that most people don't know about? | 0 |
Why are actresses paid less than actors and what can those in the film industry do about it? | 0 |
4. For a body to escape from earth, angle from horizontal at which it should be fired is
(a) $45^{\circ}$
(b) $0^{\circ}$
(c) $90^{\circ}$
(d) any angle | 1 |
How can I get rid of pimples all over my face? | 0 |
3. Three equal charges, each having a magnitude of $2.0 \times 10^{-6} \mathrm{C}$, are placed at the three corners of a rightangled triangle of sides $3 \mathrm{~cm}, 4 \mathrm{~cm}$ and $5 \mathrm{~cm}$. Find the force on the charge at the right-angle corner. | 1 |
What fish I can keep in a 2 gallon tank? | 0 |
5. A string is stretched so that its length is increased by $\frac{1}{\eta}$ of its original length. The ratio of fundamental frequency of transverse vibration to that of fundamental frequency of longitudinal vibration will be
(a) $\eta: 1$
(b) $1: \eta$
(c) $\sqrt{n}: 1$
(d) $1: \sqrt{n}$ | 1 |
27. The potential difference between points $a$ and $b$ of circuits shown in the figure is
(a) $\frac{E_{1}+E_{2}}{C_{1}+C_{2}} C_{2}$
(b) $\frac{E_{1}-E_{2}}{C_{1}+C_{2}} \quad C_{2}$
(c) ... | 1 |
40. A certain weak acid has a dissociation constant of $1.0 \times 10^{-4}$. The equilibrium constant for its reaction with a strong base is :
(a) $1.0 \times 10^{-4}$
(b) $1.0 \times 10^{-10}$
(c) $1.0 \times 10^{10}$
(d) $1.0 \times 10^{14}$ | 1 |
3. Water from a tap emerges vertically downwards with an initial speed of $1.0 \mathrm{~m} / \mathrm{s}$. The cross-sectional area of tap is $10^{-4} \mathrm{~m}^{2}$. Assume that the pressure is constant throughout the stream of water and that the flow is steady, the cross-sectional area of stream $0.15 \mathrm{~m}$ b... | 1 |
17. Which of the following statements regarding the cyclopentadienyl radical is correct?
(A) It is aromatic.
(B) It is not aromatic.
(C) It obeys Huckel's rule.
(D) It undergoes reactions characteristic of benzene.
(E) It has a closed shell of 6 pi-electrons. | 1 |
12. The number of chiral carbons (s) present in peptide, Ile-Age-Pro, is $ \qquad $
[Main Sep. 05, $2020(I)]$ | 1 |
I forgot the security code of my Nokia X1. How can I unlock it? | 0 |
69. A uniform rod pivoted at its upper end hangs vertically. It is displaced through an angle of $60^{\circ}$ and then released. Find the magnitude of the force acting on a particle of mass $d m$ at the tip of the rod when the rod makes an angle of $37^{\circ}$ with the vertical. | 1 |
Which army special unit is much more experienced and well trained, the SSG(N) or the MARCOS? | 0 |
How is the word "admonished" used in a sentence? | 0 |
It is only considered political corruption if the act directly relates to what? | 0 |
69 The car-in-the-garage problem. Carman has just purchased the world's longest stretch limo, which has a proper length of $L_{c}=30.5 \mathrm{~m}$. In Fig. 37-32a, it is shown parked in front of a garage with a proper length of $L_{g}=6.00 \mathrm{~m}$. The garage has a front door (shown open) and a back door (shown c... | 1 |
What is an operating system? | 0 |
20. Bromination of cyclohexene under conditions given below yields :
[Main Online April 10, 2016]
(a)
(b) Simple microscope
(c) Astronomical telescope
(b) Compound microscope
(d) Galilean telescope | 1 |
How can one stop masturbating for good? | 0 |
In the 'second' British Empire period, Britain refocused on which areas? | 0 |
2. $f(x)$ is a polynomial of degree 3 passing through origin having local extrema at $x= \pm 2$.
Statement 1: Ratio of areas in which $f(x)$ cuts the circle $x^{2}$ $+y^{2}=36$ is $1: 1$.
Statement 2: Both $y=f(x)$ and the circle are symmetric about origin. | 1 |
11. Consider the following reversible chemical reactions:
$$
\begin{aligned}
& \mathrm{A}_{2}(\mathrm{~g})+\mathrm{B}_{2}(\mathrm{~g}) \stackrel{\mathrm{K}_{1}}{\rightleftharpoons} 2 \mathrm{AB}(\mathrm{g}) \ldots . . .(\mathrm{l}) \\
& 6 \mathrm{AB}(\mathrm{g}) \stackrel{\mathrm{K}_{2}}{\rightleftharpoons} 3 \mathrm{... | 1 |
$(A) \&(B)$ are molecular mass of gas so the value of $A+B-10$ | 1 |
What is the difference between a girl, lady and woman? | 0 |
5. When a certain photosensitive surface is illuminated with monochromatic light of frequency $v$, the stopping potential for the photocurrent is $-V_{0} / 2$. When the surface is illuminated by monochromatic light of frequency $v / 2$, the stopping potential is $-V_{0}$. The threshold frequency for photoelectric emiss... | 1 |
6. An electron experiences a magnetic force of magnitude $4.60 \times 10^{-15} \mathrm{~N}$, when moving at an angle of $60^{\circ}$ with respect to a magnetic field of magnitude $3.50 \times 10^{-3} \mathrm{~T}$. Find the speed of the electron. | 1 |
112. The line $x+y=p$ meets the $x$ - and $y$-axes at $A$ and $B$, respectively. $A$ triangle $A P Q$ is inscribed in the triangle $O A B, O$ being the origin, with right angle at $Q \cdot P$ and $Q$ lie, respectively, on $O B$ and $A B$. If the area of the triangle $A P Q$ is $3 / 8^{\text {th }}$ of the area of the t... | 1 |
37. Amongst the following, the most basic compound is :
(a) Benzylamine
(b) Aniline
(c) Acetanilide
(d) $p$-Nitroaniline | 1 |
What is the Delhi metro? | 0 |
10. The radius of the shortest orbit in a one-electron system is $18 \mathrm{pm}$. It may be
(a) hydrogen
(b) deuterium
(c) $\mathrm{He}^{+}$
(d) $\mathrm{Li}^{++}$. | 1 |
31. At 300 K and $1 \mathrm{~atm}, 15 \mathrm{~mL}$ of gaseous hydrocarbon requires 375 mL air containing $20 \% \mathrm{O}_{2}$ by volume for complete combustion. After combustion, the gases occupy 345 mL . Assuming that water formed is in liquid form and the volumes were measured at the same temperatrue and pressure,... | 1 |
Which is the oldest written book in the history of mankind? | 0 |
What is the best website for online diary writing? | 0 |
Why don't you like to travel? | 0 |
7. \{.\} denotes the fractional part function and [.] denotes the greatest integer function:
| ColumnI: (Function). | Column II: (Period) |
| :---: | :---: |
| $a f(x)=e^{\cos ^{4} \pi x+x-[x]+\cos ^{2} \pi x}$ | $\mathrm{~A} 13$ |
| $f(x)=\cos 2 \pi\{2 x\}+\sin 2 \pi\{2 x\}$ | MY.1/4 |
| c $f(x)=\sin 3 \pi\{x\}+\tan ... | 1 |
Ex. 61. Using the data (all values are in kcal per mole at $25^{\circ} \mathrm{C}$ ) given below, calculate the bond energy of $\mathrm{C}-\mathrm{C}$ and $\mathrm{C}-\mathrm{H}$ bonds.
$$
\begin{aligned}
\Delta H_{\text {combustion (ethane) }}^{0} & =-372 \\
\Delta H_{\text {combustion }}^{0} \text { (propane) } & =-... | 1 |
31. Electromagnetic radiation with maximum wavelength is :
(a) ultraviolet
(b) radiowave
(c) $X$-ray
(d) infrared | 1 |
Has anyone ever written programming code using fibonacci numbers instead of 1's and 0's? Is it possible? I wonder if they could create the same complexity that they have shown in our physical world? | 0 |
New Year's Resolutions: What would the world be like in 30 years if everyone in the world actually stuck to their New Year's resolution every year? | 0 |
7. An electromagnetic wave of intensity $I$ falls on a surface kept in vacuum and exerts radiation pressure $p$ on it. Which of the following are true?
(a) Radiation pressure is I/c if the wave is totally absorbed
(b) Radiation pressure is $I / c$ if the wave is totally reflected
(c) Radiation pressure is $2 I / c$ ... | 1 |
7.13 Write main differences between the properties of white phosphorus and red phosphorus. | 1 |
How did china got their independence? | 0 |
What is the difference between red meat and white meat? | 0 |
To apply for an H1B, do we need to have transcripts for our degree and PG? | 0 |
22. The correct match between item (I) and item (II) is
Item - I | Item - II |
|----------------|-----------------|
| (A) Norethindrone | (P) Antibiotic |
| (B) Ofloxacin | (Q) Antifertility |
| (C) Equanil | (R) Hypertension |
| | (S) Analgesics |
!a) (A) $\square$ (Q)... | 1 |
How do you delete all your photos off Instagram from your iPhone? | 0 |
Ex. 8. 0.01 mole of sodium hydroxide is added to 10 litres of water. How will the pH of water change? | 1 |
How do I remove dandruff permanently? | 0 |
7. Lines $5 x+12 y-10=0$ and $5 x-12 y-40=0$ touch a circle $C_{1}$ of diameter 6 . If the centre of $C_{1}$ lies in the first quadrant, find the equation of the circle $C_{2}$ which is concentric with $C_{1}$ and cuts intercepts of length 8 on these lines.
(IIT-JEE, 1986) | 1 |
What is considered political corruption is differnt in each what? | 0 |
12. The species in which the $\mathrm{N}$ atom is in a state of $s p$ hybridisation is :
(a) $\mathrm{NO}_{3}^{-}$
(b) $\mathrm{NO}_{2}$
(c) $\mathrm{NO}_{2}^{+}$
(d) $\mathrm{NO}_{2}^{-}$ | 1 |
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