Question

10 persons can finish a piece of work in 15 days in how many days the same work can be done by 25 persons​

Answer 1

Solution :-

Given : 10 persons can finish a piece of work in 15 days.

Find the time taken by 25 persons to do the same work :

By unitary method,

10 persons = 15 days.

1 person = 15 × 10 = 150 days.

25 persons = 150/25 = 6 days.

Hence,

25 persons can finish the same work in 6 days.

Answer 2

Answer :

6 days

Step By Step Explanation :

Given :

10 persons can finish a piece of work in 15 days.

To Find: Time taken to complete the same work by 25 persons.

According To The Question ,

10 persons can finish work = 15 days.

Therefore,

1 person can do = 15 × 10 = 150 days.

25 persons can do = 150/25 = 6 days.

Hence, The same work can be done in 6 days by 25 persons.