Question

2 person made a wall in 1 how many day need to made a wall when person is 4 and ans is not 2

Answer 1

Answer:

This is a inverse proportion question !

Here, more the labour and men working, the lesser the time it will take to complete the task.

So more workforce, less time => Inversely Proportional

So 2 person = 1 day :: 4 person =  ? ( x )

2 / 1 = 4 / x

=> 2 × 1 = 4 × x

=> 2 = 4x

=> x = 2 / 4 = 1 / 2

Hence 4 persons will take 1/2 or 0.5 days to complete the wall.