Question

In a class of 52 student 25% are rich.there are 20 females in class of whom 55%are poor.how many rich males are there?

Answer 1

Find number of rich students:

Number of students in the class = 52 (Given)

Number of rich students = 25% x 52 = 0.25 x 52 = 13 students

.

Find number of rich females:

Number of females = 20 (Given)

Number of poor females = 55% x 20 = 11 females

Number of rich females = 20 - 11 = 9 females

.

Find number of rich males:

Number of rich males = 13 - 9 = 4 males.

.

Answer: There are 9 rich males in the class.