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A is 40% more efficient than B and C is ...

A is 40% more efficient than B and C is 20% less efficient than B. Working together, they can finish a work is 5 days. In how many days will A alone complete 70% that work?

A

9

B

7

C

10

D

8

Text Solution

Verified by Experts

The correct Answer is:
D
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A is 40% more efficient than B and C is 20% less efficient than B. Working together, they can finish a work in 5 days. In how many days, will A alone complete 70% of the work? A, B से 40% अधिक कार्य कुशल है तथा C, B से 20% कम कार्य कुशल है |एक साथ कार्य करते हुए, वे किसी कार्य को 5 दिनों में पूरा कर सकते हैं | A इस कार्य का 70% भाग अकेले कितने दिनों में पूरा करेगा ?

A is 40% more efficient than B and C is 20% less efficient than B. Working together, they can finish a task in 15 days. In how many days, will B alone will complete 75% of the task? A, B से 40% अधिक कार्य कुशल है तथा C, B से 20% कम कार्य कुशल है | एक साथ कार्य करते हुए, वे किसी कार्य को 15 दिनों में समाप्त कर सकते हैं |B अकेले इस कार्य का 75% भाग कितने दिनों में पूरा करेगा ?

Anand is 50% more efficient than Bharath and Bharath is 100% more efficient that Chandu. Working together, they can complete a work in 10 days. In how many days can Anand alone do the work?

MOTHERS-TIME AND WORK -MULTIPLE CHOICE QUESTIONS
  1. The ratio of the efficiencies of A, B and C is 3: 5:1. Working togethe...

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  2. The ratio of the efficiencies of A, B and C to do a certain work is 7:...

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  3. A is 40% more efficient than B and C is 20% less efficient than B. Wor...

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  4. A is 40% more efficient than B and C is 20% less efficient than B. Wor...

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  5. A is 40% more efficient than B and C is 20% less efficient than B. Wor...

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

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

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

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

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

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

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

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

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

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

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

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  17. 4 men and 5 women can complete a work in 15 days, whereas 9 men and 6 ...

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

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

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

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