Recent questions

$p$ and $q$ are positive integers and $\frac{p}{q}+\frac{q}{p}=3$ \end{tabular} then, $\frac{p^{2}}{q^{2}}+\frac{q^{2}}{p^{2}}=$$3$$7$$9$$11$

The current population of a city is $11,02,500$. If it has been increasing at the rate of $5 \%$ per annum, what was its population $2$ years ago?$9,92,500$$9,95,006$$10,...

Nostalgia is to anticipation as is to Which one of the following options maintains a similar logical relation in the above sentence?Present, pastFuture, pastPast, futureF...

The least number of squares that must be added so that the line $P-Q$ becomes the line of symmetry is$4$ $3$$6$$7$

Consider the following sentences:$\text { (i) I woke up from sleep.}$ $\text { (ii) I woked up from sleep.}$$\text { (iii) I was woken up from sleep.}$$\text { (iv) I was...

Given below are two statements and two conclusions.$\text { Statement 1: All purple are green.}$$\text { Statement 2: All black are green.}$$\text { Conclusion I: Some bl...

Computers are ubiquitous. They are used to improve efficiency in almost all fields from agriculture to space exploration. Artificial intelligence (AI) is currently a hot ...

Consider a square sheet of side $1$ unit. In the first step, it is cut along the main diagonal to get two triangles. In the next step, one of the cut triangles is revolve...

The number of minutes spent by two students, $X$ and $Y$, exercising every day in a given week are shown in the bar chart above. The number of days in the given week in w...

Corners are cut from an equilateral triangle to produce a regular convex hexagon as shown in the figure above.The ratio of the area of the regular convex hexagon to the a...

$\lim _{x \rightarrow 0} \frac{x^{2}}{\sin x}=$$0$ $1$$2$$-1$

A tangent is drawn on the curve of the function $y=x^{2}$ at the point $(x, y)=(3,9)$. The slope of the tangent is$3$$6$$9$$12$

The table below shows the carbon content of four samples of powdered coal. If these four samples are mixed completely, what would be the resultant carbon percentage of th...

A sample of air is collected in the morning at an ambient temperature of $\mathbf{2 5}{ }^{\circ} \mathbf{C}$. The concentration of carbon monoxide $\text{(CO)}$ in this ...

In fluid statics, the line of action of the buoyant force always acts through the ___________.centre of gravity of any submerged bodycentroid of the volume of any floatin...

What is the order of preference of the various elements in integrated waste management hierarchy $\text{(highest preference to lowest preference)}$?Reduce $>$ Rcuse $>$ r...

If $d$ is the depth of an aquifer through which water is flowing, then the relationship between permeability $K$ and transmissibility $\text{(also known as transmissivity...

Which of the following causes $\text{'Type-I'}$ settling in a sedimentation tank? AgglomerationCompression Force of gravityCharge neutralization

Which of the following is the terminal electron acceptor in the electron transport chain of aerobic respiration?Water$\mathrm{NADH}$$\mathrm{O}_{2}$Cytochrome-c

In the context of noise pollution, SPL is the sound pressure level in decibels (dB). The relationship between SPL, the root mean square $\text{(rms)}$ sound pressure $p$ ...