What principal will amount to Rs? 16000 in 6 years at 10% simple interest?

The simple interest on Rs. 1820 from March 9, 2003 to May 21, 2003 at 7.5% rate will be:

When my father started working, he deposited some amount at simple interest in the bank. After 15 years the amount became 7 times. If the rate of interest remains, in how many more years will the amount become 10 times?

A sum of money at a certain rate per annum of simple interest doubles in the 5 yr and at a different rate becomes three times in 12 yr. The lower rate of interest per annum is

Mr.Devilal Singh invested an amount of Rs.13,900 divided into two different schemes A and B at the simple interest rate of 14% p.a. and 11% p.a. respectively. If the total amount of simple interest earned in 2 years be Rs.3508,  what was the amount invested in Scheme  B?

A lent Rs. 5000 to B for 2 years and Rs 3000 to C for 4 years on simple interest at the same rate of interest and received Rs 2200 in all from both of them as interest. The rate of interest per annum is

If the amount is 2.25 times of the sum after 2 years at com­pound interest (compound annu­ally) , the rate of interest per an­num is :

What will be the ratio of simple interest earned by certain amount at the same rate of interest for 6 years and that for 9 years?

A certain sum becomes Rs. 20720 in four years and 24080 in six years at simple interest. Find sum and rate of interest?

Rs.1500 is divided into two parts such that if one part is invested at 6% and the other at 5% the whole annual interest from both the sum is Rs.85. How much was lent at 5%?

Raymond bought a car for $40, 000. He took a $20,000 loan from a bank at an interest rate of 15% per year for a 3-year period. What is the total amount (interest and loan) that he would have to pay the bank at the end of 3 years?

A sum of Rs. 2500 amounts to Rs. 3875 in 4 years at the rate of simple interest. What is the rate of interest?

A person borrows Rs. 5000 for 2 years at 4% p.a. simple interest. He immediately lends it to another person at 6% p.a for 2 years. Find his gain in the transaction per year.

A certain amount becomes Rs. 5760 in 2 years and Rs. 6912 in 3 years. What is the principal amount and the rate of interest?

Find the compound interest on Rs. 10000 at 12% rate of interest for 1 year, compounded half-yearly.