Question

15 men do a work in 20 days. In how many
days will 20 men do the full work?
(A) 30 days (B) 15 days
(C) 40 days (D) 20 days
(E) None of these​

Answer 1

Step-by-step explanation:

answer.

15 men do a work in 20 days.

1 men do a work in15×20 days.

20 men do a work in 15×20÷20=15