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The efficiencies of A, B and C are in th...

The efficiencies of A, B and C are in the ratio 2:5:3. Working together, they can complete a task in 12 days. In how many days can A alone complete 30% of that task?
A, B और C की कार्य क्षमता का अनुपात 2 : 5 : 3 है | एक साथ कार्य करते हुए, वे किसी कार्य को 12 दिनों में पूरा कर सकते हैं | A अकेले इस कार्य का 30% भाग कितने दिनों में पूरा करेगा ?

A

15

B

16

C

20

D

18

Text Solution

Verified by Experts

The correct Answer is:
D
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MOTHERS-TIME AND WORK -MULTIPLE CHOICE QUESTIONS
  1. The efficiencies of A, B and C are in the ratio of 2: 3: 5. Working to...

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  2. The efficiencies of A, B and C are in the ratio 2:5:3. Working togethe...

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  3. The efficiencies of A, B and C are in the ratio 2:5:3. Working togethe...

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  4. The efficiencies of A, B and C are in the ratio of 5:3:2. Working toge...

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  5. A earns Rs 180 per hour and works for 7 hours per day. B earns Rs. 160...

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

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  7. A and B can do a piece of work in 6 days and 8 days, respectively. Wit...

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  8. Pipes A, B and C can fill a tank in 30h, 40 h and 60 h respectively. P...

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

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  10. 4 men and 5 women can complete a work in 15 days, whereas 9 men and 6 ...

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

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

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

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

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

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

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  17. 25 persons can complete a work in 60 days. They started the work. 10 p...

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

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

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

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