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A is 50% more efficient than B and C is ...

A is 50% more efficient than B and C is 40% less efficient than B. Working together, they can complete a task in 20 days. In how many days will C alone complete 30% of that task?
A, B से 50% अधिक कार्य कुशल है तथा C, B से 40% कम कार्य कुशल है | एक साथ कार्य करते हुए, वे किसी कार्य को 20 दिनों में पूरा कर सकते हैं | C अकेले इस कार्य का 30% भाग कितने दिनों में पूरा करेगा ?

A

31

B

33

C

35

D

29

Text Solution

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The correct Answer is:
A
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MOTHERS-TIME AND WORK -MULTIPLE CHOICE QUESTIONS
  1. A is 40% more efficient than B and C is 20% less efficient than B. Wor...

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  2. A is 50% more efficient than B and C is 40% less efficient than B. Wor...

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  3. A is 50% more efficient than B and C is 40% less efficient than B. Wor...

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

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

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

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

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

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

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

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

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

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  13. 4 men and 5 women can complete a work in 15 days, whereas 9 men and 6 ...

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

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

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

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

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

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

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  20. 25 persons can complete a work in 60 days. They started the work. 10 p...

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