Practice: Time & Work

Question 1 of 25

Medium Time & Work

J can complete a job in 5 days, and K can complete it in 15 days. They work together for 2 days, then J leaves. How long will it take K to finish the rest of the work?

Question 2 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 3 of 25

Medium Time & Work

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

Question 4 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 5 of 25

Hard Time & Work

L and M together can finish a piece of work in 10 days. They worked together for 6 days and then M left. L finished the remaining work in 6 more days. If M alone can complete the work in how many days?

Question 6 of 25

Medium Time & Work

G, H, and I together can finish a project in 6 days. G alone can finish it in 12 days and H in 18 days. If they work together for 3 days, how many more days will I take to complete the remaining work?

Question 7 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 8 of 25

Medium Time & Work

M can complete a task in 25 days. N takes 5 days more than M to complete the same task. If they work together, how many days will it take for them to finish the task?

Question 9 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 10 of 25

Medium Time & Work

S and T can finish a job in 8 days and 12 days respectively. If they work on alternate days starting with S, how many days will it take to finish the work?

Question 11 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 12 of 25

Medium Time & Work

A and B can complete in 18 days. B alone in 30 days. A alone?

Question 13 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 14 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 15 of 25

Medium Time & Work

If 6 workers can build a wall in 10 days, how many days will it take for 10 workers to build the same wall?

Question 16 of 25

Medium Time & Work

G and H can complete a task in 18 days and 24 days respectively. If they work on alternate days starting with G, how many days will it take to complete the task?

Question 17 of 25

Medium Time & Work

G can finish a task in 40 days. After G has worked for 8 days, he is joined by H, and they together finish the remaining work in 16 days. How many days would H alone take to finish the entire work?

Question 18 of 25

Medium Time & Work

A man can do a job in 15 days, and his son can do the same job in 30 days. They work together for 6 days, then the son falls sick. How many more days will the man take to complete the remaining work?

Question 19 of 25

Hard Time & Work

C alone can complete a work in 12 days. D is 60% more efficient than C. If both work together, in how many days will they complete the work?

Question 20 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 21 of 25

Medium Time & Work

A man can do work in 8 days, B in 12. Together?

Question 22 of 25

Medium Time & Work

C can do a piece of work in 10 days, and D can do the same work in 15 days. They work together for 3 days. How much work is left?

Question 23 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 24 of 25

Medium Time & Work

X, Y, and Z can complete a job in 20, 30, and 40 days respectively. They work together for 5 days, after which Z leaves. How many more days will X and Y need to finish the remaining work?

Question 25 of 25

Medium Time & Work

P and Q can plough a field in 8 days and 12 days respectively. They work together for 3 days. What fraction of the field is unploughed?

Finish

J can complete a job in 5 days, and K can complete it in 15 days. They work together for 2 days, then J leaves. How long will it take K to finish the rest of the 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?

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

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?

L and M together can finish a piece of work in 10 days. They worked together for 6 days and then M left. L finished the remaining work in 6 more days. If M alone can complete the work in how many days?

G, H, and I together can finish a project in 6 days. G alone can finish it in 12 days and H in 18 days. If they work together for 3 days, how many more days will I take to complete the remaining 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?

M can complete a task in 25 days. N takes 5 days more than M to complete the same task. If they work together, how many days will it take for them to finish the task?

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?

S and T can finish a job in 8 days and 12 days respectively. If they work on alternate days starting with S, how many days will it take to finish the 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?

A and B can complete in 18 days. B alone in 30 days. A alone?

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?

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 6 workers can build a wall in 10 days, how many days will it take for 10 workers to build the same wall?

G and H can complete a task in 18 days and 24 days respectively. If they work on alternate days starting with G, how many days will it take to complete the task?

G can finish a task in 40 days. After G has worked for 8 days, he is joined by H, and they together finish the remaining work in 16 days. How many days would H alone take to finish the entire work?

A man can do a job in 15 days, and his son can do the same job in 30 days. They work together for 6 days, then the son falls sick. How many more days will the man take to complete the remaining work?

C alone can complete a work in 12 days. D is 60% more efficient than C. If both work together, in how many days will they complete the 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?

A man can do work in 8 days, B in 12. Together?

C can do a piece of work in 10 days, and D can do the same work in 15 days. They work together for 3 days. How much work is left?

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?

X, Y, and Z can complete a job in 20, 30, and 40 days respectively. They work together for 5 days, after which Z leaves. How many more days will X and Y need to finish the remaining work?

P and Q can plough a field in 8 days and 12 days respectively. They work together for 3 days. What fraction of the field is unploughed?

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