Chapter 5 | Application Of Percentage | Class-7 DAV Secondary Mathematics

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Chapter 5 Worksheet 5 | Application of Percentage | Class-7 DAV Secondary Mathematics

Unit 5 Worksheet 5 || Application of Percentage

1. Find the unknown quantity in each of the following:

Chapter 5 | Application of Percentage | Class-7 DAV Secondary Mathematics

Answers:

2. Find the sum of money that amounts to Rs. 5,850 in six years at 5% per annum.

3. What sum will earn an interest of 480 in 2 1/2 years at the rate of 3% per annum simple interest?

4. Mr Mehta borrowed a sum of money at 8% per annum. if he paid Rs. 640 as interest after 5 1/3 years (5 years 4 months). find the sum borrowed by him.

5. Simple interest on a sum of money is 9/16 of the sum. If the rate is 4 1/2 Per annum, find the time.

6. At what rate per cent per annum will a sum of money double itself in eight years?

7. Rahul borrowed Rs. 50.000 from a Bank on 1 March 2014 and paid Rs. 53,150 on 6 October 2014. Find the rate of interest charged by the Bank.

8. In what time will a sum of money double itself at 15% per annum?

9. In what time will the Simple Interest on Rs 400 at 10% per annum be the same as the Simple Interest on 1.000 for four years at 4% per annum?

10. Mr Jane donates Rs. 1 lakh to a school and the interest on it is to be used for awarding five scholarships of equal value. If the value of each scholarship is Rs 1,500. find the rate of interest.