1000 workers were employed to construct a river bridge in four years. At the end of first year, 10% workers were retrenched. At the end of second year, 5% of the workers at that time were retrenched . However to complete the project in time the number of workers was increased by 10% at the end of third year. How many workers were working during the fourth year?

Ram deposited Rs. 8000 in a bank which pays him 12% interest per annum compounded quarterly. What is the amount which he receives after 3 months.

A sum of Rs.1550 was lent partly at 5% and partly at 8% simple interest .The total interest received after 3 years was Rs.300 .The ratio of money lent at 5% to 8% is:

The present price of a scooter is Rs 7290. If its value decreases every year by 10%, then find its value before 3 years.

Jack invested a sum of Rs 1000 at 10% per annum compound interest. She received an amount of Rs 1210 after n years. Find the value of n.

Rs 1,000 invested at 10% for 5 Years. The compound Interest when compounded annually will be __________________.

If certain sum of money was deposited for 5 years at 10% simple interest and amounted to Rs.6000, then the value of amount deposited was _________________

Find the interest on rupees 2048 for 3 years, interest compounded annually at the rate of of 6.2 % per annum.

The compound interest on Rs 1600 at 10% per annum for a certain period of time is Rs 336. Find the time in years.

A sum of  1,00,000 rupees compounded quarterly for 9 months at the rate of 4% per annum, then find the result of the expression