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A Can Complete a Piece of Work in 18 Days and B Can Complete the Same Work in Half Time Taken by A. Then, Working Together, What Part of the Same Work They Can Complete in a Day? - Mathematics

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MCQ

A can complete a piece of work in 18 days and B can complete the same work in half time taken by A. Then, working together, what part of the same work they can complete in a day?

Options

  • `1/6`

  • `1/9`

  • `2/5`

  • `2/9`

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Solution

`1/6`
Explanation:

A's 1 day's work = `1/18` 

B's 1 day's work = `1/9`

(A+ B)'s 1 day's work = `1/9+1/18=3/18=1/6`

Concept: Time and Work (Entrance Exam)
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