A certain amount earns simple interest of Rs. 1750 after 7 years. Had the interest been 2% more, how much more interest would it have earned?

Rs.1000 is invested at 5 % p.a simple interest if the interest is added to the principle after every 10 years. The amount will become Rs. 2000 After

Rs.2000 amount to Rs. 2600 in 5 years at simple interest if the interest rate were increased by 3 %. It would amount to how much?

In how many years a sum will be thrice of it at the rate of 10% per annum?

A borrows Rs.800 at the rate of 12 % per annum. Simple interest and B borrows Rs.910 at the rate of 10 % per annum simple interest. In how many years will their amounts at debts be equal?

A man deposited Rs. 400 for 2 years. Rs.550 for 4 years and Rs.1200 for 6 years. He received Rs.1020 as the total simple interest. The rate of interest per annum is?

The simple interest on a sum of money will be Rs. 600 after 10 years. If the principal is trabled after 5 years which will be the total interest at the end of the tenth year?

Rs. 800 amounts to Rs. 920 in 3 years at simple interest if the interest rate is increased by 3 %, it would amount to how much?

David invested certain amount in three different schemes. A, B and C with the rate of interest 10% p.a., 12% p.a. and 15% p.a. respectively. If the total interest accrued in one year was Rs. 3200 and the amount invested in scheme C was 150% of the amount invested in scheme A and 240% of the amount invested in scheme B, what was the amount invested in scheme B?

The difference between the simple interest received from two different sources on Rs. 1500 for 3 years is Rs. 13.50. The difference between their rates of interest is?

A lends Rs. 2500 to B and a certain to C at the same time at 7% p.a. simple interest. If after 4 years, A altogether receives Rs. 1120 as interest from B and C, then the sum lent to C is?

A sum of money lent out at S.I. amounts to Rs. 720 after 2 years and to Rs. 1020 after a further period of 5 years. The sum is?

Rs. 800 becomes Rs. 956 in 3 years at a rate of S.I. If the rate of interest is increased by 4%, what amount will Rs. 800 become in 3 years?

A man took loan from a bank at the rate of 12% p.a. S.I. After 3 years he had to pay Rs. 5400 interest only for the period. The principal amount borrowed by him was?

Manoj borrowed Rs.3450 from Anwar at 6% p.a. simple interest for three years. He then added some more money to the borrowed sum and lent it to Ramu for the same time at 9% p.a. simple interest. If Manoj gains Rs.824.85 by way of interest on the borrowed sum as well as his own amount from the whole transaction, then what is the sum lent by him to Ramu?