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A is thrice as good a workman as B and t...

A is thrice as good a workman as B and therefore is able to finish a job in 40 days less than B. Working together, they can do it in

A

14 days

B

13 days

C

20 days

D

15 days

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The correct Answer is:
D
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UPKAR PUBLICATION -PRACTICE SET 1-PART-III QUANTITATIVE APTITUDE
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