Compound Intere...

An investment plan offers a certain rate of interest compounded annually. If the difference between the amount received after 2 years and the principal invested in the investment plan is (21/100) times the principal amount, the rate of interest is

There are two investment schemes. Under the first one, interest is compounded half yearly at the rate of 5% p.a. and the other offers interest at the rate of 6% compounded annually. Which scheme offers more interest at the end of an year?

Ram invested half of his savings in a bond that paid simple interest for 2 years and received Rs. 550 as interest. He invested the remaining in a bond that paid compound interest for 2 years at the same rate of interest and received Rs. 605 as interest. What was the value of his total savings before investing in the two bonds?

If the difference between simple interest and compound interest calculated at the rate of 5% for two years is Rs. 12.50, what is the principal amount invested?

Peter invested a certain sum of money in a simple interest bond. The value became Rs. 3000 at the end of 3 years and Rs. 4000 at the end of another 5 years. At what rate of interest did he invest the sum of money?

The compound interest for an amount of Rs. 1,200 calculated for 2 years, compounded annually is Rs. 123. The rate of interest will be

In December 2010, the number of vultures was 3000 in a habitat that was developed to rear them. If the annual growth rate was aimed at 5%, what is the expected number of vultures to the nearest ones at the end of 2013?

What amount is earned on Rs. 1000 at the rate of 10% per annum for 2 years, if the interest is compounded half yearly?

If Rs. 10,000 is deposited in a bank for a year and the rate of simple interest is 9.2% p.a, what is the total simple interest at the end of the year?

A nest of ants has population of 1000. Every week, its population increases by 12%. What will be the population of the ants to the nearest ones after 3 weeks?