6 men can work in 10 hrs, 4 men can do this work in _________ hrs?
6 men can work in 10 hrs, 4 men can do this work in _________ hrs?
Explanation
Given:
Time taken by 6 men to complete work= 10 days
Solution:
Time taken by 1 man = 6 x 10 = 6o hours
The time taken by 4 men to complete the work:
60/ 4 = 15 hours.