Work and Time (SSC) (Part-5)

Total Questions: 50

31. Shreyas can complete 4/5 part of a work in 16 days. Ruchi is 2.5 times as efficient as Shreyas. In how many days will Ruchi alone can complete the same work ? [SSC MTS 19/06/2023 (Morning)]

Correct Answer: (d) 8 days
Solution:

32. A is two times as efficient as B. A can complete a work in 20 days less than B. If both of them work together, then in how many days will the same work be completed ? [SSC MTS 20/06/2023 (Afternoon)]

Correct Answer: (a)
Solution:

33. Mohit and Rohit undertook a work for Rs. 4400. Mohit alone can do that work in 10 days and Rohit alone can do the same work in 15 days. If they work together, then what will be the difference in the amount they receive ? [SSC CHSL 09/03/2023 (4th Shift)]

Correct Answer: (d) Rs. 880
Solution:

34. If A alone can complete a work in 20 days and B alone can complete the same work in 30 days, then which of the following statement(s) is/are correct ? I. Ratio of efficiency of A and B is 3 : 2. II.Working together A and B can complete the same work in 12 days. [SSC CHSL 10/03/2023 (2nd Shift)]

Correct Answer: (b) Both I and II
Solution:

35. A is thrice as good a workman as B and together they can finish a work in 32 days. In how many days will B alone complete the same work ? [SSC CHSL 14/03/2023 (4th Shift)]

Correct Answer: (d) 128
Solution:

36. P, Q and R can complete a work alone in 12, 15 and 20 days respectively. They started the work together. P left the work 8 days before the work was completed and Q left the work 5 days after P had left. R completed the remaining work alone. How many days will be required to complete the whole work? [SSC CHSL 15/03/2023 (4th Shift)]

Correct Answer: (c)
Solution:

37. Rani can do a work in 10 days, Priya can do the same work in 15 days and Guddu can do the same work in 12 days. If they do that work together and they are paid Rs. 9000, then what is the share of Priya ? [SSC CHSL 17/03/2023 (2nd Shift)]

Correct Answer: (a) Rs.2400
Solution:

38. A certain number of persons can complete a work in 90 days. If there be 10 persons less, it would have taken 10 days more for the work to be completed. Find the total number of persons in the beginning. [SSC CHSL 20/03/2023 (1st Shift)]

Correct Answer: (d) 100
Solution:

39. A alone can complete a work in 20 days with full efficiency. If the efficiency of A decreases by 20 percent. then A alone can do the same work in how many days? [SSC CHSL 20/03/2023 (4th Shift)]

Correct Answer: (c) 25
Solution:

40. A can complete 3/8 part of a work in 36 days. B can complete 1/2 part of the same work in 27 days. Which of the following statements(s) is/are correct ? [SSC CHSL 21/03/2023 (1st Shift)]

I. A is less efficient than B.

II. A and B working together can complete

11/15 part of the same work in 36 days.

Correct Answer: (b) Only I
Solution: