The present population of a town is 12500 and it is increasing at the rate of 8% per annum. What will be the population of the town after 2 years?

18 Find the compound interest on Rs. 125000 for 9 months at 8% per annum compounded quarterly. 19 The population of a town 2 years ago was 62500. Since some persons migrate to different cities the number of people decreases every year at the rate of 4% per annum. Find its present population.  1

Convert the following ratios to percentages.

(a) 3 : 4 (b) 2 : 3

2

There are 25 computers in a school. Out of them 16 are working. Find the percentage of computers which are working.