Recent questions in General Aptitude

Consider a linear arrangement of seven bulbs, each of which can be in the ON or OFF states. The initial configuration of the bulbs is shown in the figure. In every Step, ...

If a six-digit number $3 x 9 z 8 y$ is divisible by $7,11,13$, then the average value of $x, y, z$ is:$23 / 3$$31 / 3$$8$$20 / 3$

Twenty five litres of $40\%$ concentration of acid solution is added to $35$ litres of $70\%$ concentration of acid solution. What is the concentration of acid in the new...

A $18$ m long ladder (whose foot is on the ground) leans against a wall making an angle of $30^{\circ}$ with the wall. What is the height (in m ) of the point where the l...

From the top of a pole house A in a street, the angles of elevation and depression of the top and foot of house B on the opposite side of the street are $60^{\circ}$ and ...

A woman saves $18 \%$ of her income. If her income increases by $15 \%$ and the expenditure increases by $21.6 \%$, then what is the percent decrease in the saving (corre...

If $\text{A}$'s income is $60 \%$ more of $\text{B}$'s income and $\text{B}$'s income is $40 \%$ less than $\text{C}$'s income, then by what percent is $\text{C}$'s incom...

In a class of $60$ students, the girls are $60 \%$. The average weight of boys is $62$ kg and that of girls is $58$ kg. What is the average weight (in kg ) of whole class...

A loan has to be returned in two equal yearly instalments each of Rs. $42135$. If the rate of interest is $6 \%$ p.a., compounded annually, then the total interest paid (...

$A$ and $B$ can do a work in $21$ days, $A$ is $\dfrac{7}{4}$ times as efficient as $B$. In how many days, $A$ alone can complete the $\dfrac{200}{3} \%$ of the work?$22$...