Question

if 12 boys take 3 day to paint a room how long will it take 9 boys to complete the same task

Answer 1

Answer:

4 Days

Step-by-step explanation:

By Unitary Method,

WE GET

12 Boys ⟹ 3 days

1 Boy ⟹ 3 × 12 days

9 boys ⟹ 3 × 12

9

= 4 days

THEREFORE, 9 BOYS WOULD TAKE 4 DAYS TO COMPLETE THE SAME JOB