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A is twice as good as B and is, therefore, able to finish a piece of work in 30 days less than B. In how many days can they complete the whole work working together?
  • a)
    18
  • b)
    19
  • c)
    20
  • d)
    25
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
A is twice as good as B and is, therefore, able to finish a piece of w...
Let A can complete the work in x days.
So, B can complete the work in 2x days.
A.T.Q. 2x -x = 30 ⇒ x = 30 days
They both can complete in = 60/2 + 1 = 20 days
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Most Upvoted Answer
A is twice as good as B and is, therefore, able to finish a piece of w...
Let A can complete the work in x days.
So, B can complete the work in 2x days.
A.T.Q. 2x -x = 30 ⇒ x = 30 days
They both can complete in = 60/2 + 1 = 20 days
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A is twice as good as B and is, therefore, able to finish a piece of work in 30 days less than B. In how many days can they complete the whole work working together?a)18b)19c)20d)25Correct answer is option 'C'. Can you explain this answer?
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