Sonu is 40% more efficient than Monu. How much time will they working together take to
complete a job which Sonu alone could have done in 25 days.
Answers
Answer:
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Given : Sonu is 40% more efficient than Monu.
Sonu alone could have done in 25 days.
To Find : How much time will they working together take to complete a job
Solution:
Let say Monu 1 Day work = x
Sonu is 40% more efficient than Monu.
=> Sonu 1 Day work = x + (40/100)x =1.4x
Sonu alone could have done in 25 days.
=> Sonu 1 day work = 1/25
1.4x = 1/25
=> x = 1/35
Sonu and Monu Together 1 day work = 1/25 + 1/35
= ( 7 + 5)/175
= 12/175
= 12/175
Together finish work in 175/12 Days
= 14.58 days
working together time taken to complete a job = 175/12 Days = 14.58 days
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