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

Total Questions: 50

11. A and B can complete a piece of work in 20 days, B and C can complete the same piece of work in 12 days, while C and A can do it in 15 days. In how many days can A, B, and C together complete the same work? [Group D 22/09/2022 (Evening)]

Correct Answer: (c) 10
Solution:

12. A, B and C can complete a piece of work in 18 days, 24 days and 60 days, respectively. In how many days will the work be completed, if A works on all days, and is assisted by B and C on alternate days, starting with B assisting A on the first day? [Group D 26/09/2022 (Morning) ]

Correct Answer: (d)
Solution:

13. Find the answer of given question? [Group D 26/09/2022 (Evening) ]

Correct Answer: (a)
Solution:

14. Find the answer of given question? [Group D 26/09/2022 (Evening) ]

Correct Answer: (b)
Solution:

15. Aditya can complete a piece of work alone in 8 days and Bhagawan can complete the same piece of work alone in 12 days. They started the work together, but Aditya had to leave 3 days before the completion of the work. In how many days will the work complete? [Group D 27/09/2022 (Morning) ]

Correct Answer: (a)
Solution:

16. Hema can do a certain piece of work in 21 days. Hema and Raji can together do the same work in 18 days, and Hema, Raji, and Smitha can do the same work together in 14 days. In how many days can Hema and Smitha do the same work, working together? [Group D 29/09/2022 (Evening)]

Correct Answer: (b) 63/4
Solution:

17. X people were given a contract for doing a piece of work in 15 days. 3 people did not turn up to work due to sickness, and the rest of the people completed the work in 20 days. What is the value of X? [Group D 30/09/2022 (Morning)]

Correct Answer: (a) 12
Solution:

18. 6 men and 10 women complete a work in 10 days. 5 men and 4 women complete the same work in 14 days. How many days will it take for 1 woman to complete the same work? [Group D 30/09/2022 (Afternoon)]

Correct Answer: (a) 364
Solution:

19. A and B can do a piece of work in 9 days and 12 days, respectively. A starts the work and they work on alternate days. They can finish the work in: [Group D 06/10/2022 (Morning) ]

Correct Answer: (c)
Solution:

20. A and B together can complete a piece of work in 5 days. They started working together but after 3 days, B left. If the work is completed after 3 more days, B alone could do the entire work in: [Group D 07/10/2022 (Afternoon) ]

Correct Answer: (b) 15 days
Solution: