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A, B and C can complete a work in 10, 12...

A, B and C can complete a work in 10, 12 and 15 days respectively. They started the work together. But A left the work before 5 days of its completion. B also left the work 2 days after A left. In how many days was the work completed?

A

4 days

B

5 days

C

7 days

D

8 days

Text Solution

Verified by Experts

The correct Answer is:
C
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GAGAN PRATAP -TIME & WORK-TIME & WORK (SHEET-3)
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  4. A works thrice as fast as B and B works 50% more fast as C does. All t...

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  8. There is sufficient food for 2400 soldiers for 60 days and each soldie...

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  9. There is sufficient food for 4000 soldiers for 40 days and each soldie...

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  11. 30 men working 8 hours per days can dig a pond in 16 days. By working ...

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  12. If x men working x hours per day can do x units of work in x days, the...

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  14. If 6 burners burn 6 hours daily, the cost of gas for 8 days comes to R...

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  15. If 45 persons can complete a work in 18 days, working 8 hours a day, t...

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  16. 40 men working 8 hours a day can do a piece of work in 15 days. Find t...

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  17. 12 men and 18 boys work 7.5 hours a day to complete any work within 60...

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  18. A contractor undertook to finish a work in 92 days and employed 110 me...

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  19. A contract is to be completed in 75 days and 187 men are to work 15 ho...

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  20. A contractor employees 245 men who finish the 7/11th of total work in ...

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