Time & Work — Practice

Question 1

A can complete a task in 10 days, and B can complete the same task in 15 days. Working together, how many days will they take?

Accepted Answer

B

Question 2

A can complete a task in 12 days. B is twice as efficient as A. How many days will B alone take?

Accepted Answer

B

Question 3

A, B, and C together can complete a task in 6 days. A alone takes 12 days and B alone takes 18 days. How many days would C alone take?

Accepted Answer

C

Question 4

A is 25% more efficient than B. If B takes 25 days to complete a task alone, how many days will A take?

Accepted Answer

B

Question 5

A can complete a task in 20 days, and B can complete the same task in 25 days. They work together for 5 days, after which B leaves. How many more days will A alone take to finish the remaining work?

Accepted Answer

C

Question 6

6 men or 8 women can complete a job in 10 days. How many days will 3 men and 4 women together take to complete the same job?

Accepted Answer

B

Question 7

A and B together can complete a task in 12 days. B and C together can complete the same task in 15 days. A and C together can complete it in 20 days. Working alone, how many days would A take to complete the task?

Accepted Answer

A

Question 8

A tap can fill a tank in 12 hours, while another tap can empty the full tank in 20 hours. If both taps are opened together, how long will it take to fill the empty tank?

Accepted Answer

B

Practice — Time & Work

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