Practice: Time & Work

Question 1 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?

Question 2 of 25

Medium Time & Work

Q can complete a task in 9 days, and R can complete it in 18 days. If they work on alternate days starting with Q, in how many days will the task be completed?

Question 3 of 25

Medium Time & Work

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

Question 4 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 5 of 25

Medium Time & Work

A job can be completed by 40 workers in 25 days. If 10 more workers join after 5 days, how many total days will the project take to complete?

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

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 8 of 25

Hard Time & Work

R and S can complete a task in 15 and 10 days respectively. They start working together, but after 4 days, R falls sick. How many more days will S need to finish the task alone?

Question 9 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 10 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 11 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 12 of 25

Medium Time & Work

A, B, and C can complete a piece of work in 24, 36, and 48 days respectively. They start working together, but A leaves after 6 days. How many more days will B and C take to complete the remaining work?

Question 13 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 14 of 25

Medium Time & Work

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

Question 15 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 16 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 17 of 25

Medium Time & Work

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

Question 18 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 19 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 20 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 21 of 25

Medium Time & Work

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

Question 22 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 23 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 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

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?

Finish

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?

Q can complete a task in 9 days, and R can complete it in 18 days. If they work on alternate days starting with Q, in how many days will the task be completed?

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

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?

A job can be completed by 40 workers in 25 days. If 10 more workers join after 5 days, how many total days will the project take to complete?

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?

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 and S can complete a task in 15 and 10 days respectively. They start working together, but after 4 days, R falls sick. How many more days will S need to finish the task 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?

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?

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?

A, B, and C can complete a piece of work in 24, 36, and 48 days respectively. They start working together, but A leaves after 6 days. How many more days will B and C take to complete the remaining 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?

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

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?

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

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?

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

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

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?

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?

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 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?

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