Time-and-Work, MCQ (Free PDF)


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1. P is able to do a piece of work in 15 days and Q can do the same work in 20 days. If they can work together for 4 days, what is the fraction of work left?
A. 8/15
B. 7/15
C. 11/15
D. 2/11
Answer : Option A

2. P can lay railway track between two stations in 16 days. Q can do the same job in 12 days. With the help of R, they completes the job in 4 days. How much days does it take for R alone to complete
the work?
A. 9(3/5) days
B. 9(1/5) days
C. 9(2/5) days
D. 10 days
Answer : Option A

3. P, Q and R can do a work in 20, 30 and 60 days respectively. How many days does it need to complete the work if P does the work and he is assisted by Q and R on every third day?
A. 10 days
B. 14 days
C. 15 days
D. 9 days
Answer : Option C

4. A is thrice as good as B in work. A is able to finish a job in 60 days less than B. They can finish the work in days if they work together.
A. 18 days
B. 22 ½ days
C. 24 days
D. 26 days
Answer : Option B

5. A can do a particular work in 6 days . B can do the same work in 8 days. A and B signed to do it for Rs. 3200. They completed the work in 3 days with the help of C. How much is to be paid to C?
A. Rs. 380
B. Rs. 600
C. Rs. 420
D. Rs. 400
Answer : Option D

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