This is aptitude questions and answers section on Time and Work with explanation for various interview, competitive examinations and entrance tests. Latest Time and Work aptitude questions with answers.

1. A and B complete a work in 6 days. A alone can do it in 10 days. If both together can do the work in how many days?
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2. A and B together can do a piece of work in 8 days. If A alone can do the same work in 12 days, then B alone can do the same work in?
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3. A can do a piece of work in 4 days. B can do it in 5 days. With the assistance of C they completed the work in 2 days. Find in how many days can C alone do it?
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4. A and B can do a piece of work in 6 2/3 days and 5 days respectively. They work together for 2 days and then A leaves. In how many days after that B will complete the work alone.
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5. A can do a piece of work in 30 days. He works at it for 5 days and then B finishes it in 20 days. In what time can A and B together it?
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Answer: Option B

Explanation:

5/30 + 20/x = 1

x = 24

1/30 + 1/24 = 3/40

40/3 = 13 1/3 days