Numerical Abili...

The simple interest on Rs. 8000 for one month at the rate of 15 % per annum is.

Find the amount at compound interest on Rs. 12000 at 20% per annum for 1.5 years if the interest is compounded half-yearly?

The difference between compound interest and simple interest on a certain sum of money for 2 years at 6.25% p.a. is Rs. 100. Find the sum.

A certain sum becomes Rs. 1400 in 7 years and Rs. 1610 in 10 years at simple interest. What is the sum?

A sum of Rs.1200 becomes Rs.1560 at a rate of simple interest in 3 years. In how many years will the sum of Rs.800 amount to Rs.1120 at the same rate of simple interest?

If simple interest is 3/5 times of the principal and rate of interest is 4% then then find the time period.

If a certain amount of money yields Rs.1250 interest under simple interest at 5% interest in 2 years, what is the amount?

A sum of Rs 5,000 is invested at 10% simple interest per annum. In how many years will the amount of interest become Rs. 1,500?

If a sum becomes seven times in 18 years, then what will be the rate of simple interest per annum?

Find the rate of interest, if the ratio of the principal and the amount is 18 ∶ 25 on simple interest in 3.5 years.