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A and B can do a piece of work in 6 and ...

A and B can do a piece of work in 6 and 12 days, respectively. They (both) will complete the work in how many days?

A

9 days

B

18 days

C

6 days

D

4 days

Text Solution

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The correct Answer is:
D
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ARIHANT SSC-WORK AND TIME -EXERCISE BASE LEVEL QUESTION
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  3. A and B can do a piece of work in 6 and 12 days, respectively. They (b...

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  4. A alone can complete a work in 12 days and B alone can complete the sa...

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  5. X can complete a job in 12 days. If X and Y work together, they can co...

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  6. If 3 men and 4 boys can do a piece of work in 8 day, then 6 men and 8 ...

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  7. A' can do a piece of work in x days and B can do the same work 3x days...

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  8. A can do 1/2 of the work in 5 days and B can do 2/5 of the weak in 10 ...

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  9. A can do a piece of work in 4 days and B can complete the same work in...

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  10. A can do a piece of work in 8 days, B can do it in 10 days and C can d...

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  11. A, B and C can complete a work in 2h. If A does the job alone in 6h a...

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  12. A and B can do a piece of work in 18 days. B and C in 24 days, C and A...

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  13. A and B can do a piece of work in 72 days, B and C can do it in 120 da...

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  14. A and B can do piece of work in 10h. B and C can do it in 15h , while ...

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  15. A can do a piece of work in 10 days and B in 20 days. They begin toget...

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  16. A and B together can complete a work in 3 days. They started together ...

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  17. A can do a piece of work in 10 days, while B can do it in 6 days.B wor...

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  18. A and B can complete a job in 24 days working together. A alone can co...

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  19. A contractor undertook to do a certain piece of work in 18 days. He em...

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  20. P and Q can finish a work in 30 days. They worked at it for 10 days an...

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