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To do a certain work, the ratio of the efficiencies of X and Y is 5:4. Working together, they can complete the same work in 10 days. Y alone starts the work and leaves after 5 days. The remaining work will be completed by X alone in:
किसी निश्चित कार्य को करने के लिए, X और Y की कार्य क्षमताओं का अनुपात 5: 4 है | एक साथ कार्य करते हुए वे इस कार्य को 10 दिनों में समाप्त कर सकते हैं | Y अकेले कार्य शुरू करता है और 5 दिनों के बाद छोड़ देता है | X अकेले शेष कार्य कितने दिनों में पूरा करेगा ?

A

14 days

B

12 days

C

15 days

D

10 days

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PINNACLE-WORK AND TIME-EXERCISE
  1. A certain number of persons can complete a work in 34 days working 9 h...

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  2. 4 men and 5 women can complete a work in 15 days, whereas 9 men and 6 ...

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

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

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

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

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  7. 25 persons can complete a work in 60 days. They started the work. 10 p...

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  8. The ratio of the efficiencies of A, B and C is 4 : 5 : 3. Working toge...

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  9. The ratio of the efficiencies of A, B and C is 7:5:4. Working together...

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  10. The efficiences of A , B and C are in ratio 5 : 3 : 8. Working togethe...

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  11. To do a certain work, the ratio of the efficiencies of A , B and C is ...

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  12. The ratio of efficiencies of A , B and C is 3 : 5 : 1. Working togethe...

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

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

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

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

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

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  18. The efficiencies of A , B and C are 2 : 5 : 3. Working together, they ...

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

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

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