Question

3 person can paint a house in 8 days. How many days will take 4 person to finish the work

Answer 1

6 days they wil require
3persons take days -8
1person take days-3*8
4persons will take days-3*8/4
=6

Answer 2

Time taken by 3 persons to paint the house = 8 days
Time taken to paint the house by 1 person = 3×8days = 24 days
Therefore, time taken by 4 persons to paint the house = 4÷24 days = 6 days