Work and Time (SSC)

Total Questions: 50

31. Eight persons can finish work in 20 days. After 5 days they were requested to complete the work in the next 8 days. How many more persons should join the group to fulfill the requirement? [SSC CGL 09/03/2020(Evening)]

Correct Answer: (c) 7
Solution:

32. A and B together can do a certain amount of work in x days. Working alone, A and B can do the same work in (x + 8) and (x + 18) days, respectively . A and B together will complete 5/6 of the same work in: [SSC CPO 11/12/19 (Morning)]

Correct Answer: (c) 10 days
Solution:

33. 25 persons can complete a work in 60 days. They started the work. 10 people left work after x days. If the whole work was completed in 80 days, then what is the value of x ? [SSC CGL TIER II (13/09/2019)]

Correct Answer: (a) 30
Solution:

34. A is as efficient as B and C together. Working together A and B can complete a work in 36 days and C alone can complete it in 60 days. A and C work together for 10 days. B alone will complete the remaining work in : [SSC CGL TIER II (13/09/2019)]

Correct Answer: (a) 110 days
Solution:

35. 4 men and 5 women can complete a work in 15 days, whereas 9 men and 6 women can do it in 10 days. To complete the same work in 7 days, how many women should assist 4 men? [SSC CGL TIER II (12/09/2019)]

Correct Answer: (d) 13
Solution:


36. To do a certain work, the ratio of the efficiencies of X and Y is 5 : 4. Working together, they can complete the same work in 10 days. Y alone starts the work and leaves after 5 days. The remaining work will be completed by X alone in : [SSC CGL TIER II (12/09/2019)]

Correct Answer: (a) 14 days
Solution:

37. A certain number of persons can complete a work in 34 days working 9 hours a day. If the number of persons is decreased by 40%, then how many hours a day should the remaining persons work to complete the work in 51 days ? [SSC CGL TIER II (11/09/2019)]

Correct Answer: (d) 10
Solution:

38. A and B have to do 13/15 part of a work together and B and C have to do (11/20)ᵗʰ part of the work together. If the difference between the wages of A and C is Rs. 7600, then the total wages of A, B and C is : [SSC MTS 21/08/2019(Afternoon)]

Correct Answer: (a) Rs. 24000
Solution:

39. It is given that men are twice as efficient than women in respect to doing work. If three men and two women can complete the work in 2 days, then in how many days can a woman working alone complete the work? [SSC CHSL 10/07/2019 (Evening)]

Correct Answer: (b)
Solution:

40. Rs. 10,000 has to be distributed among 3 craftsmen, 5 helpers and 6 labourers such that each helper receives the amount twice as much as a labourer receives and each craftsman receives the amount thrice as much as a labourer receives. What is the amount received by the three craftsmen ? [SSC CHSL 10/07/2019 (Afternoon)]

Correct Answer: (c) Rs. 3600
Solution: