Free Test Work Efficiency – General...

Q1: A can do a piece of work in 10 days, B in 15 days. If both work together, in how many days will the work be finished?

A. 5 days B. 6 days C. 7 days D. 8 days

Q2: If A is twice as efficient as B and B can complete the work in 12 days, in how many days can both together complete the work?

A. 4 days B. 6 days C. 8 days D. 10 days

Q3: A and B together can do a work in 20 days. B alone can do it in 30 days. In how many days can A do it alone?

A. 40 B. 50 C. 60 D. 70

Q4: A is 50% more efficient than B. If B alone does a job in 18 days, how long will A and B take together?

A. 8 days B. 10 days C. 7.2 days D. 12 days

Q5: If A can do a work in 12 days and B can do the same work in 16 days, what is their combined efficiency ratio?

A. 4:3 B. 3:4 C. 1:1 D. 2:3

Q6: A completes a work in 8 days, B in 12 days. Working alternatively starting with A, who finishes the work?

A. A B. B C. Together D. None

Q7: A and B can complete a work in 10 days. B and C in 15 days. A and C in 12 days. Find individual time of A.

A. 10 B. 20 C. 24 D. 30

Q8: If A is 3 times as efficient as B, and B can do a work in 30 days, in how many days can they do the work together?

A. 8 days B. 9 days C. 7.5 days D. 10 days

Q9: Three men can complete a work in 6 days. How many days will 6 men take?

A. 3 B. 2 C. 1 D. 4

Q10: A does a job in 5 days, B in 10. If A does 1 day and B the next, how long will it take to finish the job?

A. 6 days B. 7 days C. 5.67 days D. 6.67 days

Q11: If 4 men or 6 women can do a work in 12 days, then 2 men and 3 women can do it in how many days?

A. 12 B. 10 C. 14 D. 15

Q12: If A and B can do a work in 18 days, and A alone in 30 days, how many days will B take alone?

A. 45 B. 40 C. 36 D. 48

Q13: If A and B together can do a job in 12 days, and A alone in 20 days, B alone will finish in?

A. 30 B. 28 C. 25 D. 24

Q14: Two workers A and B do a piece of work together. A does 60% and B the rest. If the total work takes 15 days, A worked for how many days?

A. 9 B. 10 C. 12 D. 11

Q15: If A works twice as fast as B, and B takes 24 days to complete a task, how many days will A take?

A. 10 B. 12 C. 15 D. 18

Q16: A and B can complete a job in 12 days. A leaves after 4 days. B completes the work in how many days?

A. 8 B. 10 C. 12 D. 6

Q17: A and B together can do a work in 15 days. They work together for 10 days. B leaves. A alone finishes in 5 more days. A alone can finish in?

A. 20 B. 25 C. 30 D. 15

Q18: If a man does half the work in 8 days, how long will he take to complete the whole work?

A. 16 B. 12 C. 10 D. 8

Q19: If 5 persons can complete a task in 12 days, how many persons are needed to complete it in 8 days?

A. 6 B. 7 C. 8 D. 7.5

Q20: A can do a piece of work in 18 days. He worked for 6 days. What fraction of work is left?

A. 1/2 B. 2/3 C. 1/3 D. 5/6

Q21: A, B and C together can do a work in 6 days. A alone in 12, B in 18. How long will C take?

A. 36 B. 24 C. 30 D. 20

Quiz for Work Efficiency