Quantitative Aptitude - Arithmetic Ability Questions

Three years from now Dharitri's age will be eight years less than twice Eunice's age. The sum of their present ages is 61 years. What is Dharitri's present age?

The cost price of 25 books is equal to the selling price of 20 books. The profit percent is

At what time between 4 o'clock and 5 o'clock will the two hands of the clock be at the right angle to each other for the first time?

Murad can do a piece of work in 33 hours. If he is joined by Joel who is 100% more efficient, in what time will they together finish the work?

If cosec 240° = x, then the value of x is

How many numbers are there from 700 to 950 (including both) which are neither divisible by 3 nor by 7?

A man borrowed some money from a private organisation at 5% simple interest per annum. He lended this money to another person at 10% compound interest per annum, and made a profit of 26,410 in 4 years. The man borrowed

In the first 32 overs of a cricket match, the run rate was 7.2 runs/over. What is the required run rate in the remaining 18 overs to reach the target of 297 runs?