Suman borrowed Rs. 60,000 to build a bungalow. She pays 10 % S.I. She lets out her bungalow and receives a rent of Rs. 1500 p.m. In how many years will she clear her debt.

The population of a town was 1,60,000 three years ago. If it increased by 3%, 2.5% and 5% respectively in the last three years, then the present population is:

In a strike called by a union, a part of the 1500 employees of the company reported for work whilethe others were on strike. The next day, 4% of the striking workers reported for work and 6% ofthe working employees joined the strike. If number of striking workers on both days were thesame, how many workers were striking ?