Practice: Time & Work

Question 1 of 25

Medium Time & Work

A, B, and C can complete a work in 10, 15, and 20 days respectively. They start working together but A leaves after 2 days. How many more days will B and C need to finish the remaining work?

Question 2 of 25

Medium Time & Work

M can complete a task in 7 days and N can complete it in 14 days. They work together for 3 days, then M leaves. How many additional days will N take to complete the task?

Question 3 of 25

Medium Time & Work

R can complete a task in 9 days, and S can complete it in 18 days. They work together for 4 days, then R leaves. How many more days will S take to complete the task?

Question 4 of 25

Medium Time & Work

A team of 5 men can complete a work in 15 days. How many more men are needed to complete the same work in 10 days?

Question 5 of 25

Medium Time & Work

S can do a piece of work in 11 days, and T in 22 days. They work together for 5 days, then T leaves. How many more days will S take to complete the remaining work?

Question 6 of 25

Medium Time & Work

A can complete a job in 18 days, B in 24 days, and C in 36 days. How long will it take for all three to complete the job together?

Question 7 of 25

Medium Time & Work

Two painters, K and L, can paint a house in 20 days and 30 days respectively. They start painting together but L leaves after 6 days. How much longer will K take to finish the painting?

Question 8 of 25

Medium Time & Work

O can plough a field in 16 days and P can do it in 24 days. They start working together but after 4 days, O leaves. In how many more days will P finish the work?

Question 9 of 25

Medium Time & Work

20 men do work in 30 days. After 10 days, 5 leave. Days needed to finish?

Question 10 of 25

Hard Time & Work

A contractor employed 150 men to build a wall in 50 days. After 25 days, 50 more men were employed, and the work finished 5 days earlier. In how many days could the wall have been built if the additional men had not been employed?

Question 11 of 25

Medium Time & Work

Two pipes A and B can fill a tank in 20 hours and 30 hours respectively. If both pipes are opened together but pipe A is turned off after 5 hours, how much more time will pipe B take to fill the tank?

Question 12 of 25

Hard Time & Work

P and Q can do a piece of work in 20 days and 30 days respectively. They start together but P leaves after 5 days. In how many more days will Q complete the work?

Question 13 of 25

Medium Time & Work

A and B can do work in 15 days. A alone in 25. B alone?

Question 14 of 25

Medium Time & Work

L and M can paint a house in 10 days and 15 days respectively. They start painting together but after 5 days, M has to leave. How many more days will L need to finish the painting?

Question 15 of 25

Medium Time & Work

If 15 workers can complete a task in 45 days, in how many days will 25 workers complete the same task?

Question 16 of 25

Hard Time & Work

Two workers, N and O, are hired for a project. N alone would take 8 days more than the time taken by both N and O together. If O alone would take 18 days more than the time taken by both, how many days will N alone take to finish the work?

Question 17 of 25

Medium Time & Work

T and U can harvest a field in 14 days and 21 days respectively. They work together for 7 days. What fraction of the field is still left?

Question 18 of 25

Medium Time & Work

Three people, X, Y, and Z, can complete a task in 15, 20, and 30 days respectively. If they work together, how long will it take to complete the task?

Question 19 of 25

Medium Time & Work

E can complete a job in 8 days. F can complete the same job in 12 days. If E and F work together, how many days will it take for them to complete the job?

Question 20 of 25

Medium Time & Work

C can complete a work in 15 days, and D can complete the same work in 10 days. They start working together but D leaves after 4 days. How many more days will C take to complete the work?

Question 21 of 25

Medium Time & Work

E, F, and G together can complete a work in 8 days. E alone can do it in 18 days, and F in 24 days. How long will G alone take to complete the work?

Question 22 of 25

Medium Time & Work

C can do a job in 18 days. C and D together can finish the same job in 10 days. How long will it take D alone to finish the job?

Question 23 of 25

Medium Time & Work

A can do a job in 12 days, while B can do the same job in 16 days. They start together, but B leaves after 4 days. How many more days will A need to finish the job?

Question 24 of 25

Medium Time & Work

A contractor hires 50 workers to complete a project in 40 days. After 10 days, 10 more workers are added to speed up the work. How many days in total will the project take to complete?

Question 25 of 25

Medium Time & Work

If 5 men can do a work in 12 days, how many days will 8 men take to complete the same work?

Finish

A, B, and C can complete a work in 10, 15, and 20 days respectively. They start working together but A leaves after 2 days. How many more days will B and C need to finish the remaining work?

M can complete a task in 7 days and N can complete it in 14 days. They work together for 3 days, then M leaves. How many additional days will N take to complete the task?

R can complete a task in 9 days, and S can complete it in 18 days. They work together for 4 days, then R leaves. How many more days will S take to complete the task?

A team of 5 men can complete a work in 15 days. How many more men are needed to complete the same work in 10 days?

S can do a piece of work in 11 days, and T in 22 days. They work together for 5 days, then T leaves. How many more days will S take to complete the remaining work?

A can complete a job in 18 days, B in 24 days, and C in 36 days. How long will it take for all three to complete the job together?

Two painters, K and L, can paint a house in 20 days and 30 days respectively. They start painting together but L leaves after 6 days. How much longer will K take to finish the painting?

O can plough a field in 16 days and P can do it in 24 days. They start working together but after 4 days, O leaves. In how many more days will P finish the work?

20 men do work in 30 days. After 10 days, 5 leave. Days needed to finish?

A contractor employed 150 men to build a wall in 50 days. After 25 days, 50 more men were employed, and the work finished 5 days earlier. In how many days could the wall have been built if the additional men had not been employed?

Two pipes A and B can fill a tank in 20 hours and 30 hours respectively. If both pipes are opened together but pipe A is turned off after 5 hours, how much more time will pipe B take to fill the tank?

P and Q can do a piece of work in 20 days and 30 days respectively. They start together but P leaves after 5 days. In how many more days will Q complete the work?

A and B can do work in 15 days. A alone in 25. B alone?

L and M can paint a house in 10 days and 15 days respectively. They start painting together but after 5 days, M has to leave. How many more days will L need to finish the painting?

If 15 workers can complete a task in 45 days, in how many days will 25 workers complete the same task?

Two workers, N and O, are hired for a project. N alone would take 8 days more than the time taken by both N and O together. If O alone would take 18 days more than the time taken by both, how many days will N alone take to finish the work?

T and U can harvest a field in 14 days and 21 days respectively. They work together for 7 days. What fraction of the field is still left?

Three people, X, Y, and Z, can complete a task in 15, 20, and 30 days respectively. If they work together, how long will it take to complete the task?

E can complete a job in 8 days. F can complete the same job in 12 days. If E and F work together, how many days will it take for them to complete the job?

C can complete a work in 15 days, and D can complete the same work in 10 days. They start working together but D leaves after 4 days. How many more days will C take to complete the work?

E, F, and G together can complete a work in 8 days. E alone can do it in 18 days, and F in 24 days. How long will G alone take to complete the work?

C can do a job in 18 days. C and D together can finish the same job in 10 days. How long will it take D alone to finish the job?

A can do a job in 12 days, while B can do the same job in 16 days. They start together, but B leaves after 4 days. How many more days will A need to finish the job?

A contractor hires 50 workers to complete a project in 40 days. After 10 days, 10 more workers are added to speed up the work. How many days in total will the project take to complete?

If 5 men can do a work in 12 days, how many days will 8 men take to complete the same work?

Require Hire Support