Question

6 men can complete the electric fitting in a building in 7 days. how many will it take 21 men to do the job

Answer 1

No of man can complete the work in 1 day = 7×6 =42
No of days needed to complete the work by by 21 man = 42/21 = 2 days


Hope it helped

Answer 2

6/21=x/7

6 men take 7 days

21 men take x days

X = 6×7/21=2

2 days