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A can do a piece of work in 15 days. B is 50% more efficient than A. In how many days can B alone finish the work?

1446Medium DSSSB TGT Computer Science 0 replies 2 views
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A can do a piece of work in 15 days. B is 50% more efficient than A. In how many days can B alone finish the work?

  • A6
  • B10
  • C8
  • D12
Correct answer: B

Explanation

B's efficiency is 1.5 times A's, so B takes 15/1.5 = 10 days.

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