R. Gupta Solutions for Chapter: IBPS-RRBs Office Assistant (Multipurpose) Exam, Exercise 4: QUANTITATIVE APTITUDE

Six years ago, the ratio of the ages of Kunal and Sagar was 6 : 5. Four years hence, the ratio of their ages will be 11 : 10. What is Sagar’s present age?

A number X is 150 more than a second number Y. If the sum of X and Y is 5 times of Y, then what is the value of Y?

A square field has an area of $50625 {\mathrm{m}}^2$. Find the cost of fencing around it at $₹15$ per metre.

The average weight of $8$ people increases by $2.5$ kg when a new person comes in place of one of them weighing $65$ kg. What will be the weight of the new person?

$50\%$ of a number is $18$ less than two-third of that number. Find the number.

The sum of the squares of two positive numbers is $100$ and the difference of their squares is $28$. What is the sum of the numbers?

Simple interest on $₹1200 @ 13$ p.c.p.a. for ‘$x$’ years is $₹624$. What is the interest on $x+100$ at the same rate of interest for $3$years?

A circle and rectangle have the same perimeter. The sides of the rectangle are $18 cm$ and $26 cm$. What will be the area of the circle? (in $m^2$)