Question

Answer (g) and (i)

On knowledge and use of properties of indices write the simple numerical value for each of the following is

Please answer it very fast

Tomorrow is my exam

Answer 1

Hope it helps you... . .

Answer 2

Answer:

Let the number of boys be 7x and girls be 5x.

According to the question,

7x = 5x + 8

⇒ 7x – 5x = 8

⇒ 2x = 8

⇒ x = 8/2

⇒ x = 4

Therefore, Number of boys = 7×4 = 28

And, Number of girls = 5×4 = 20

Total number of students = 20+28 = 48