Question

It takes 52 days to make a cricket pitch with a group of workers. After 17 days, 300 workers are added and the entire crew is able to finish the
work in 31 days. What was the size of the crew when work started?​

Answer 1

Answer:

200

Step-by-step explanation:

Let original no. of men be N

We are given that It takes 52 days to complete an agreement deal by a certain number of men.

So, Original Job = man days

After 17 days,300 men are added and 21 days are reduced.

Job length = (52-17-21) = 14 days

So, N+300 men are working for 17 days

N men working for 17 days i.e. 17 x N man days

(N+300) men working for 14 days i.e. 14 x (N+300) man days

So,

This is in attachment

Hence 200 men were working initially