Let the number of boys be x. Then, according to the question,

Number of girls = 3x/5

Since the total strength is 40, we have,

x + 3x/5 = 40

8x/5 = 40

x = 200/8

x = 25

Hence, there are 25 boys in the class.

Answer:

10

Step-by-step explanation:

• 10 po sana makatulonh thank