Dhankar Expert Team Solutions for Chapter: (Solved Paper) IBPS - RRB Office Assistant Preliminary Exam (Based on Memory), Exercise 4: Numerical Ability

The retail price of a water geyser is  $Rs.1265$. If the manufacturer gains $10\%$, the wholesale dealer gains $15\%$ and the retailer gains $25\%$, then what is the cost of the product?

A card is drawn at random from a well-shuffled pack of $52$ cards. What is the probability of getting a two of hearts or a two diamonds ?

A sum is invested for $3$ years at compound interest at $5$%, $10$% and $20$% respectively. In three years, if the sum amounts to $16632$/-, then find the sum.

The sides of a triangle are in the ratio of $\frac{1}{2}:\frac{1}{3}:\frac{1}{4}$. If the perimeter is $52 \mathrm{cm}$, then what is the length of the smallest side?

If A's salary is $25\%$ higher than B's salary, then how much percent is B's salary lower than A's?

Ravi sells an article at a gain of $12\frac{1}{2}\%$. If he had sold it at $Rs.$$22.50$ more, he would have gained $25\%$. What is the cost price of the article ?

A certain job was assigned to a group of men to do it in $20$ days. But $12$ men did not turn up for the job and the remaining men did the job in $32$ days. What is the original number of men in the group ?

A vessels contains liquid P and Q in the ratio of $5:3$ respectively. If $16$ litres of mixture are removed and the same quantity of liquid Q is added, the ratio became $3:5$. What quantity does the vessel hold ?