Question

आठ लोग एक दीवार को बनाने में दस घंटे लगाते है तो चार लोग उसी दीवार को बनाने में कितना समय लगाएंगे ?

Answer 1

deewar phele hi ban chuki hai usko dubaara kyu banana .

Time waste kyu kare usi deewar ko banane ke lye.

Answer 2

Answer:

Time taken to make a wall by 4 people is 5 hours.

Step-by-step explanation:

Given : 8 people made a wall in 10 hours.

To find : How much time is taken to build a wall by 4 people?

Solution :

According o question,

We apply unitary method,

8 people made a wall in 10 hours.

1 people made a wall in $\frac{10}{8}$ hours.

4 people made a wall in $\frac{10}{8}\times 4$ hours.

4 people made a wall in $\frac{10}{2}$ hours.

4 people made a wall in 5 hours.

Therefore, Time taken to make a wall by 4 people is 5 hours.