R d sharma solutions mathematics class 7 Solutions for Chapter 13 simple interest

Exercises in Chapter 13 simple interest Grade 7

Simple Interest Exercise 13.1

Questions in Simple Interest Exercise 13.1

Find the simple interest, when:

(i) Principal = Rs 2000, Rate of Interest = 5% per annum and Time = 5 years.

(ii) Principal = Rs 500, Rate of Interest = 12.5% per annum and Time = 4 years.

(iii) Principal = Rs 4500, Rate of Interest = 4% per annum and Time = 6months.

(iv) Principal = Rs 12000, Rate of Interest = 18% per annum and Time = 4months.

(v) Principal = Rs 1000, Rate of Interest = 10% per annum and Time = 73days.

Find the interest on Rs 500 for a period of 4 years at the rate of 8% per annum.Also, find the amount to be paid at the end of the period.

A sum of Rs 400 is lent at the rate of 5% per annum. Find the interest at the end of2 years.

A sum of Rs 400 is lent for 3 years at the rate of 6% per annum. Find theinterest.

A person deposits Rs 25000 in a firm who pays an interest at the rate of 20%per annum. Calculate the income he gets from it annually.

A man borrowed Rs 8000 from a bank at 8% per annum. Find the amount he hasto pay after 4 ½ years.

Rakesh lent out Rs 8000 for 5 years at 15% per annum and borrowed Rs 6000 for 3 years at 12% per annum. How much did he gain or lose?

Anita deposits Rs 1000 in a savings bank account. The bank pays interest at therate of 5% per annum. What amount can Anita get after one year?

Nalini borrowed Rs 550 from her friend at 8% per annum. She returned the amount after 6 months. How much did she pay?

Rohit borrowed Rs 600000 from a bank at 9% per annum for 2 years. He lent this sum of money to Rohan at 10% per annum for 2 years. How much did Rohit earnfrom this transaction?

Romesh borrowed Rs 2000 at 2% per annum and Rs 1000 at 5% per annum.He cleared his debt after 2 years by giving Rs 2800 and a watch. What is the cost of the watch?

Mr Garg lent Rs 15000 to his friend. He charged 15% per annum on Rs 12500 and 18% on the rest. How much interest does he earn in 3 years?

Shikha deposited Rs 2000 in a bank which pays 6% simple interest. She with drew Rs 700 at the end of first year. What will be her balance after 3 years?

Reema took a loan of Rs 8000 from a money lender, who charged interest at the rate of 18% per annum. After 2 years, Reema paid him Rs 10400 and wrist watch to clear the debt. What is the price of the watch?

Mr Sharma deposited Rs 20000 as a fixed deposit in a bank at 10% per annual.If 30% is deducted as income tax on the interest earned, find his annual income.