Time and Work (Railway Maths) (Part – II)

Total Questions: 50

1. A team of 30 men is supposed to complete a work in 41 days. After 25 days, 6 more men are employed, and the work is finished one day earlier. By how many days would it have been delayed, if 6 more men were not employed? [Group D 09/09/2022 (Evening) ]

Correct Answer: (a) 2 days
Solution:

2. A can complete a certain work in the same time in which B and C together can complete it. If A and B together could complete it in 20 days and C alone in 60 days, then B alone could complete the work in: [Group D 12/09/2022 (Evening) ]

Correct Answer: (a) 60 days
Solution:

3. A and B together can complete a piece of work in 5 days, while X and Y together can complete the same work in 20 days. The number of days A, B, X and Y together will take to complete it is: [Group D 12/09/2022 (Evening) ]

Correct Answer: (a) 4 days
Solution:

4. A boy can complete a piece of work alone in 10 days, but with the help of his friend he can complete it in 6 days. In how much time will his friend be able to complete the same piece of work alone? [Group D 13/09/2022 (Morning) ]

Correct Answer: (b)
Solution:

5. X is twice as good a workman as Y and together they finish a piece of work in 14 days. In how many days will X alone finish the work? [Group D 14/09/2022 (Morning) ]

Correct Answer: (b) 21 days
Solution:

6. A and B can do a piece of work in 12 days and 8 days, respectively. The number of days required to complete the work if both A and B work together is: [Group D 14/09/2022 (Afternoon)]

Correct Answer: (a) 4.8
Solution:

7. 3 men or 4 women can do a job in 15 days. 3 men work for 9 days and leave. The number of women required to complete the remaining work in 12 days is: [Group D 15/09/2022 (Afternoon)]

Correct Answer: (d) 2
Solution:

8. A and B can do a job in 14 days and 18 days, respectively. A works alone for 6 days and leaves. The number of days required by B to complete the remaining job is : [Group D 15/09/2022 (Evening) ]

Correct Answer: (b)
Solution:

9. The total amount payable for completing a piece of work is ₹800. C can do it alone in 24 days, while B can do it alone in 8 days. With the help of A, they complete this work in 3 days. What is the sum of money received by A as his share in completing the work? [Group D 19/09/2022 (Morning)]

Correct Answer: (c) ₹400
Solution:

10. Sony and Mary can complete a painting in 4 days and 6 days, respectively. They work on the same painting on alternate days starting with Mary. In how many days will they together complete the painting? [Group D 19/09/2022 (Evening)]

Correct Answer: (c) 5
Solution: