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X can do a work in 3 day, Y does three t...

X can do a work in 3 day, Y does three times the same work in 8 days, and Z does five times the same work in 12 days. If they have to work together for 6 hours in a day, then in how much time can they complete the work?
X एक कार्य को 3 दिन में कर सकता है, Y, उसी कार्य का तीन गुना 8 दिन में करता है, और Z, उसी कार्य का पांच गुना 12 दिनों में करता है। यदि उन्हें प्रतिदिन 6 घंटे कार्य करना है, तो वे कितने समय में कार्य पूरा कर सकते हैं?

A

4 hours 10 minutes

B

4 hours

C

5 hours

D

5 hours 20 minutes

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PINNACLE-WORK AND TIME-EXERCISE
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  7. A and B together can do a piece of work in 12 days. A alone can do it ...

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  8. A and B can do a work together in 18 days. A is three times as efficie...

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  10. A and B can do a job in 10 days and 5 days respectively. They worked t...

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  11. A and B can do a piece of work in 36 days, B and C can do the same wor...

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  12. X can do a work in 3 day, Y does three times the same work in 8 days, ...

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  13. A and B can do a piece of work in 36 days, B and C can do the same wor...

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  14. A and B can do a piece of work in 25 days, B alone can do 66 2/3 % of ...

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  15. A can complete some work in 35 days and B can complete the same work i...

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  16. P and Q together can do a work in 12 days. P alone can do the same wor...

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  17. A is twice as good as a workman as B, and together they finish a piece...

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  18. A and B can do a job in 10 days and 5 days, respectively. They worked ...

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  19. A can complete a certain work in 35 days and B can complete the same w...

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  20. P and Q together can do a work in 12 days, P alone can do the same wor...

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