Work and Time (SSC) (Part-2)

Total Questions: 50

11. Twelve men working for 9 hours a day complete a piece of work in 24 days. In how many days can 8 men working for 12 hours a day complete the same piece of work? [SSC CHSL 02/07/2024 (1st Shift)]

Correct Answer: (b) 27
Solution:

12. 47 masons can dig a 35 m long trench in one day. How many masons should be employed for digging a 105 m long trench of the same type in one day? [SSC CHSL 02/07/2024 (2nd Shift)]

Correct Answer: (c) 141
Solution:

13. A, B and C can complete a work in 12, 15 and 20 days, respectively. How many days are required to finish the work if they work together? [SSC CHSL 02/07/2024 (4th Shift)]

Correct Answer: (c) 5
Solution:

14. Joey completed the school project in 15 days. How many days will Tim take to complete the same work if he is 25% more efficient than Joey? [SSC CHSL 03/07/2024 (1st Shift)]

Correct Answer: (a) 12
Solution:

15. 18 men can complete 1/5 of a work in 10 days. How many people are required to complete 2/5 of the same work in 5 days? [SSC CHSL 03/07/2024 (2nd Shift)]

Correct Answer: (a) 72
Solution:

16. A and B can complete a piece of work in 12 days. B and C can complete the same work in 15 days and C and A in 10 days. How many days will A take to complete the work by himself? [SSC CHSL 03/07/2024 (3rd Shift)]

Correct Answer: (c)
Solution:

17. Riya and Sangeeta can finish a work in 6 days and 8 days, respectively. Riya started the work alone and then after 3 days, Sangeeta joined Riya. They both finish the remaining work. How long did the total work last ? [SSC CHSL 03/07/2024 (4th Shift)]

Correct Answer: (d)
Solution:

18. A and B can complete a piece of work in 15 days. B and C in 30 days and C and A in 45 days. In how many days will they complete the work if they start working together? [SSC CHSL 04/07/2024 (1st Shift)]

Correct Answer: (a)
Solution:

19. A can complete a piece of work in 20 days and B can complete the same work in 10 days. With the help of C, working together they completed the work in 5 days. The number of days in which C alone can complete the work is: [SSC CHSL 04/07/2024 (2nd Shift)]

Correct Answer: (a) 20
Solution:

20. To finish a work in 12 days, 8 workers are engaged. After 2 days, due to some urgency, the work is to be finished in next 2 days. How many more workers are to be engaged now to finish it on time? [SSC CHSL 04/07/2024 (3rd Shift)]

Correct Answer: (b) 32
Solution: