In a village of 300 persons, 180 persons take tea. Find how many take coffee but not tea, If each person takes atleast one of the drinks.

A sum of money rises four times itself at 15% per annum over a certain time. Find the number of years

The cost of four Tamil books and 3 English Dictionary books is INR 750. The cost of a English Dictionary is 2 times of the cost of a Tamil book. What is the total cost of a Tamil book and a English Dictionary 

33 1/3% of 50% of 300 is

20 women can do a work in 16 days. 16 men can do the same work in 15 days what is the ratio between the capacity of the men and the women

X can do a piece of work in 18 days and Y can do it 24 days. How much Y get if they finish the work and earn Rs. 42,000