Giri can complete a piece of work in 6 days. With the help of her friend, she can complete it in 4 days. In how many days can her friend complete the work alone?
Given:
Giri complete the work = 6 Day
Giri + Friends complete the work = 4 day
Concept Used:
The combined work rate is the sum of the individual work rates.
Work rate is the reciprocal of the time taken to complete the work.
Solution:
Giri work rate =
Giri + Friend work rate =
Work rate of friend ;
=
Giri's friend complete the work in 12 days
Alternate Method:
Total work = 24
Friends done work = = 12 Days
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