Donna can do a piece of work in 90 days. Sunil is 20% more efficient than Dharminder. How many days does Dharminder alone take to do the same job?

Options
- 75 days
- 43 days
- 66 days
- 80 days

CORRECT ANSWER : 75 days

Discussion Board
ANSWER IS

HERE TOTAL WORK =100
DONA WORK IN 1 DAY=1/90
SUNIL IS 20% EFFICIENT=100+20=120% THAN DONA
SUNIL ONE DAY WORK=120%1/90
=120/100*1/90
BY CANCLE WE GET 75

sandeep 06-18-2021 01:02 AM

mistake in question

the question has no link solve

fairoz 06-27-2020 09:44 PM

mistake in question

what kind of a question is this!!!!!?

riya 07-21-2019 07:02 AM

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