Question

3) Out of 72 children in a class, 18 students got marks above 80, in Mathematics. What percent of the children in the class got marks above 80 in Math?

4) If 60% of sum of money is Rs. 480, what is the total sum of money?

5) In a class of 64 students, 25% like reading comics and the remaining like reading novels. Find the number of students who like reading: a) Comics b) Novels

6) There are 36 fruits in a basket. Nine are mangoes and the remaining are apples. What percent of the fruits are: a) Mangoes b) Apples

7) James bought a dress material for Rs. 3200. He sold this and got a profit of 7 %. Find the selling price of the dress material.

8) Mr. Sen sells a mobile for RS. 8400, making a profit of 20%. What was the CP of the mobile?

9) Rs. 10,000 deposited in a bank at the rate of 18% p.a. amounted to Rs. 22,600 in a few years. Find the time taken.

10) A sum of money amounted to Rs. 31,200 at 4% p.a. in 5 years. Find the original sum.

11) Interest on Rs. 4000 for Rs. 200 is Rs. 1120. Find the rate of interest

Answer 1

3) 25%
4)800/-
5)(a)16 students
   (b)48 students
6)(a)25%
   (b)75%
7)3424/-
9) 7 years