Question

Question:
3 persons can build a wall in 4 days then 4 persons can build it in​

Answer 1

Answer:

3 Persons takes 4 days i.e 3 * 4 * 24 hours = 288 man-hours.

Then 4 persons have to work 288/4 = 72 hours = 3 days

Answer 2

Answer:

ho bahe neche bata karot nekal pade raj tamil me translate because i am தமிழ்