M can complete a work in 10 days working 7 hours a day. N can complete the same work in 6 days working 10 hours a day. If both M and N work together, working 8 hours a day, in how many days can they complete the work?

Options
- 4.5 days
- 4.7 days
- 4.9 days
- None

CORRECT ANSWER : None

Discussion Board
Ans:

1/70+1/60=1/8x
8((60+70)/4200)=1/x
8(130/4200)=1/x
1/x=0.247
x=4.04days

Iyswarya Govindan 05-2-2024 12:18 PM

hi

answer is 4.03

manasa 10-3-2019 03:49 AM

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