The compound interest earned by Suresh on a certain amount at the end of two years at the rate of 8 p.c.p.a was Rs. 1,414.4. What was the total amount that Suresh got back at the end of two years in the form of principal plus interest earned?

If the difference in compound interest and simple interest for a principal amount of 5000 with a rate of 10% is 50. Find the duration for which interests were calculated?

If the amount Rs. 102300 is distributed among 33 children. What would be the difference in the amount that each child would have got had the number of children been 100?

Mr. Shah’s monthly income is Rs. 54550. In an entire year, he spends 32% of his annual salaries on groceries, he spend 12% on repairs and 10% he pays to his servant. If half of the remaining amount he invests in fixed deposits, what is the amount invested by him in fixed deposits?

A certain amount earns simple interest of Rs 1,750/- after 7 years. Had the interest been 2% more how much more interest would it have earned ?