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BOSS

· started a discussion

· 1 Months ago

Ans is 100/7 days. (Question: 364686.0 )

Ram= 25 days
Rahim= 50 days
Rachel= 100 days


So, altogether 100/7 days.

Question:

Ram completes 60% of a task in 15 days and then takes help of Rahim and Rachel. Rahim is 50% as efficient as Ram is and Rachel is 50% as efficient as Rahim is. In how many days will they complete the work? 

Options:
A)

13 13 days

B)

8 13 days

C)

5 57 days

D)

7 57 days

Solution:

Ans:(a)


BOSS

· commented

· 1 Months ago

Sorry

60% work has already been completed by Ram...So remaining 40% work will be completed by all three in 40/7 days.

So option (C)
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