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To do a certain work, the ratio of effic...

To do a certain work, the ratio of efficiency of A to that of B is 3:7.Working together, they can complete the work in `10 1/2` days. They work together for 8 days. 60% of the remaining work will be completed by A alone in :
किसी कार्य को करने में, A की कार्य क्षमता तथा 8 की कार्य क्षमता का अनुपात 3: 7 है | एक साथ कार्य करते हुए, वे इस कार्य को `10 1/2` दिनों में कर सकते हैं | वे 8 दिनों तक साथ कार्य करते हैं | शेष कार्य का 60% हिस्सा A अकेले कितने दिनों में पूरा करेगा ?

A

`5 1/2` days

B

5 days

C

`6 1/2` days

D

4 days

Text Solution

Verified by Experts

The correct Answer is:
A
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  3. To do a certain work, the ratio of efficiency of A to that of B is 3:7...

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  6. A certain number of persons can complete a work in 34 days working 9 h...

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  7. 4 men and 5 women can complete a work in 15 days, whereas 9 men and 6 ...

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  8. Pipes A and B can fill a tank in 16 hours and 24 hours, respectively, ...

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  9. To do a certain work, the ratio of the efficiencies of X and Y is 5:4....

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  10. A can do 40% of a work in 12 days, whereas B can do 60% of the same wo...

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  11. A is as efficient as B and C together. Working together A and B can co...

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  12. A can do one-third of a work in 15 days. B can do 75% of the same work...

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  13. Pipes A and B are filling pipes while pipe C is an emptying pipe A and...

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  14. 25 persons can complete a work in 60 days. They started the work. 10 p...

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  15. tank is in the form of a cuboid with length 12m. If 18 kilolitre of wa...

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  16. The efficiencies of A,B and C are in the ratio 4 : 5 : 6. Working toge...

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  17. Two pipes A and B can fill a tank in 6 hours and 9 hours respectively....

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  18. 36 personn working 8 hours a day can do 3 units of working in 12 days....

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  19. Pipes A and B can fill a tank in 6 hours and 9 hours respectively and ...

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  20. Pipes A and B can fill a tank in 6 hours and 8 hours respectively and ...

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