Practice: Time & Work

Question 1 of 25

Medium Time & Work

O and P can do a job together in 9 days. After working together for 6 days, O leaves and P finishes the remaining work in 6 more days. How long does O take to complete the work alone?

Question 2 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 3 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 4 of 25

Medium Time & Work

A is 25% more efficient than B. If B takes 20 days alone, A takes?

Question 5 of 25

Medium Time & Work

A and B together do 1 work in 12 days. A alone in 20. B alone?

Question 6 of 25

Medium Time & Work

A and B can complete a piece of work in 12 days and 16 days respectively. If they work together, how many days will they take to complete the work?

Question 7 of 25

Medium Time & Work

H and I together can complete a work in 20 days. They started the work together, but after 4 days, H left. If the remaining work is done by I in 20 more days, in how many days can H alone complete the work?

Question 8 of 25

Medium Time & Work

K can finish a task in 5 days, and L can finish the same task in 10 days. If K and L work together, but after 2 days K leaves, how many more days will it take to complete the task?

Question 9 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 10 of 25

Medium Time & Work

A can complete a task in 18 days while B can complete the same task in 12 days. They work together for 6 days. How much of the work is left?

Question 11 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 12 of 25

Hard Time & Work

I can complete a piece of work in 18 days and J can complete the same work in 12 days. They work together for 6 days. K then completes the remaining work in 3 days. How long will it take K to complete the work alone?

Question 13 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 14 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 15 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 16 of 25

Medium Time & Work

I can paint a wall in 6 hours, and J can paint the same wall in 9 hours. If I works alone for 2 hours, then how long will J take to finish the remaining work?

Question 17 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 18 of 25

Medium Time & Work

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

Question 19 of 25

Medium Time & Work

5 men can do work in 18 days. After 6 days, 5 more men join. Days to finish remaining?

Question 20 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 21 of 25

Medium Time & Work

I and J can do a piece of work in 10 days and 15 days respectively. They work on alternate days, with I starting first. In how many days will the work be completed?

Question 22 of 25

Medium Time & Work

A and B can complete a piece of work in 12 days and 15 days respectively. They start working together but after 3 days, A leaves. In how many more days will B complete the remaining work?

Question 23 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 24 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?

Question 25 of 25

Hard Time & Work

G is thrice as efficient as H and can complete a work in 15 days less than H. How long will it take for them to complete the work together?

Finish

O and P can do a job together in 9 days. After working together for 6 days, O leaves and P finishes the remaining work in 6 more days. How long does O take to complete the work alone?

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?

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 is 25% more efficient than B. If B takes 20 days alone, A takes?

A and B together do 1 work in 12 days. A alone in 20. B alone?

A and B can complete a piece of work in 12 days and 16 days respectively. If they work together, how many days will they take to complete the work?

H and I together can complete a work in 20 days. They started the work together, but after 4 days, H left. If the remaining work is done by I in 20 more days, in how many days can H alone complete the work?

K can finish a task in 5 days, and L can finish the same task in 10 days. If K and L work together, but after 2 days K leaves, how many more days will it take to complete the task?

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 can complete a task in 18 days while B can complete the same task in 12 days. They work together for 6 days. How much of the work is left?

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?

I can complete a piece of work in 18 days and J can complete the same work in 12 days. They work together for 6 days. K then completes the remaining work in 3 days. How long will it take K to complete the work alone?

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?

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?

I can paint a wall in 6 hours, and J can paint the same wall in 9 hours. If I works alone for 2 hours, then how long will J take to finish 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?

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

5 men can do work in 18 days. After 6 days, 5 more men join. Days to finish remaining?

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?

I and J can do a piece of work in 10 days and 15 days respectively. They work on alternate days, with I starting first. In how many days will the work be completed?

A and B can complete a piece of work in 12 days and 15 days respectively. They start working together but after 3 days, A leaves. In how many more days will B complete the remaining 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?

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?

G is thrice as efficient as H and can complete a work in 15 days less than H. How long will it take for them to complete the work together?

Require Hire Support