Question

Answer to the following question :-

Answer 1

Answer:

I think b is the correct answer

Answer 2

Answer:

d. none of these

Step-by-step explanation:

toyal students= 40

let the number of boys is Z

the number of girls is Z/3

Z+Z/3=40

(3Z+Z)/3=40

4Z= 120

Z=120/4

Z= 30

so the number of boys is Z= 30

and the number of girls is Z/3= 30/3= 10