What annual instalment will discharge a debt of 4,200 due in 5 yearsat 10% simple interest?

Nikhilesh invested certain amount in three different schemes A, B and C with the rate of interest 10 p.c.p.a., 12 p.c.p.a. and 15 p.c.p.a.. respectively. If the total interest accrued in one year was ? 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?

What would be the compound interest obtained on an amount of 12600 Rs at the rate of 10% per annum after two years?

Rohan and Sohan started a business with investments of Rs 15000 and Rs 20000. Rohan continued till the end of the first year and Sohan left after x months. Their profits at the end of the first year were equal. Find x.

A milk man borrowed ?2,500 from two money lenders. For one loan, he paid 5% p.a. and for the other, he paid 7% p.a. The total interest paid for two years was Z 275. How much did he borrow at 7% rate?

Amit invests Rs. 9000 partly in 5%, Rs. 167 Shares @ Rs.240 and partly in 3% Rs. 700 shares @ Rs.850. If his total income is 500, how much has he invested in each?

What would be the compound interest obtained on an amount of Rs. 6,350/- at the rate of 14 p.c.p.a after two years?

Manju took Rs. 20000 at 5% SI for 2 years and invested it at 4% CI for same period. Find her gain/loss.

Sterna invested an amount of ?16000 for two years at compound interest and received an amount of ? 17640 on maturity. What is the rate of interest?

The difference between a discount of 35% and successive discounts of 20% and 20% on a certam bill 22. Find the amount of the bill.