6 men can complete a project in 25 days and 25 women can complete the same
project in X days. 15 men start working and after 5 days they were replaced by 10
women. If the whole project was completed in 15days, what is the value of, X' ?
1) 10
O 10
46
51
Answers
Answer:
Step-by-step explanation:
10
Given : 6 men can complete a project in 25 days and 25 women can complete the same project in X days.
15 men start working and after 5 days they were replaced by 10
women. whole project was completed in 15days
To Find : value of, X'
Solution:
6 men can complete a project in 25 days
A Man work in a day = M
=> Total Project = 6 * 25 * M = 150 M
25 women can complete the same project in X days
A woman in 1 day = W
=> Total Project = 25WX
25WX = 150 M
=> WX = 6M
Total work done 15M * 5 + 10W*10
= 75M + 100W
75M + 100W = 150 M
=> 100W = 75M
=> 4W = 3M
=> 8W = 6M
WX = 6M
=> WX = 8W
=> X = 8
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