Two persons K and L can complete a piece of work i | Time and Work Questions & Answers

Q:

Amit and Sunil together can complete a work in 9 days, Sunil and Dinesh together can complete the same work in 12 days, and Amit and Dinesh together can complete the same work in 18 days. In how many days will they complete the work if Amit, Sunil and Dinesh work together?

A) 12 days	B) 8 days
C) 14 days	D) 16 days

Answer & Explanation Answer: B) 8 days

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Q:

X can complete a work in 27 days and Y can do the same work in half of the time taken by X. Working together what part of the same work can they complete in a day?

A) 1/9	B) 1/6
C) 1/12	D) 2/27

Answer & Explanation Answer: A) 1/9

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Q:

A, B and C can individually complete a task in 20 days, 16 days and 30 days, respectively. If A and B started working on the task, and they worked for 4 days and left, then the number of days required by C to finish the remaining task is:

A) 16.5 days	B) 13 days
C) 10 days	D) 12.5 days

Answer & Explanation Answer: A) 16.5 days

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Q:

A can do a piece of work in 6 days. B can do it in 9 days. With the assistance of C they completed the work in 3 days. In how many days can C alone do the work ?

A) 18	B) 8
C) 12	D) 16

Answer & Explanation Answer: A) 18

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Q:

X and Y can complete a work in 5 days. Y and Z can complete the same work in 6 days. Z and X can complete the same work in 15/2 days. In how many days will X, Y and Z together complete the work?

A) 2	B) 4
C) 3	D) 2/5

Answer & Explanation Answer: B) 4

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Q:

Ram and Shyam can complete a task in $6 \frac{2}{3}$ days and 15 days, respectively. They work together for 4 days, and then Ram leaves. In how many days after Ram leaves, will Shyam complete the remaining task alone?

A) 112days	B) 3 days
C) 4 days	D) 2 days

Answer & Explanation Answer: D) 2 days

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Q:

X and Y can do a piece of work in 10 days, Y and Z in 12 days and Z and X in 15 days. In how many days can Z alone do the work?

A) 40	B) 24
C) 18	D) 36

Answer & Explanation Answer: A) 40

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Q:

A and B can complete a piece of work together in 20 days. They start work together but A had to leave 5 days before the work finally got over. If B finishes the remaining in 18 days, then how long will A take to complete the work separately.

A) 100 days	B) 120 days
C) 72 days	D) 64 days

Answer & Explanation Answer: D) 64 days

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A) 1/6	B) 1/3
C) 2/3	D) 1/18

Two persons K and L can complete a piece of work in 30 days and 45 days respectively. If they work together, what part of the work will be completed in 3 days ?

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