Time & Work – Aptitude Interview Questions with Answers
This blog explains about Time & Work – Aptitude Interview Questions with Answers and is given below :
1 . X can do a piece of work in 40 days. He works at it for 8 days and then Y finished it in 16 days. How long will they together take to complete the work?  
Answer: Option A Explanation:

2 . A can finish a work in 18 days and B can do the same work in 15 days. B worked for 10 days and left the job. In how many days, A alone can finish the remaining work?  
Answer: Option C Explanation:

3 . P can complete a work in 12 days working 8 hours a day. Q can complete the same work in 8 days working 10 hours a day. If both P and Q work together, working 8 hours a day, in how many days can they complete the work?  
Answer: Option A Explanation: P can complete the work in (12 x 8) hrs. = 96 hrs. Q can complete the work in (8 x 10) hrs. = 80 hrs.

4 . 4 men and 6 women can complete a work in 8 days, while 3 men and 7 women can complete it in 10 days. In how many days will 10 women complete it?  
Answer: Option B Explanation: Let 1 man’s 1 day’s work = x and 1 woman’s 1 day’s work = y.
Hence, 10 women will complete the work in 40 days. 
5 .A and B can do a work in 8 days, B and C can do the same work in 12 days. A, B and C together can finish it in 6 days. A and C together will do it in :  
Answer: Option C Explanation:
So, A and C together will do the work in 8 days. 

6 . A, B and C can complete a piece of work in 24, 6 and 12 days respectively. Working together, they will complete the same work in:  
Answer: Option C Explanation:

7 . A alone can do a piece of work in 6 days and B alone in 8 days. A and B undertook to do it for Rs. 3200. With the help of C, they completed the work in 3 days. How much is to be paid to C?  
Answer: Option B Explanation:

8 . A and B can do a piece of work in 30 days, while B and C can do the same work in 24 days and C and A in 20 days. They all work together for 10 days when B and C leave. How many days more will A take to finish the work?  
Answer: Option A Explanation:

9 . A works twice as fast as B. If B can complete a work in 12 days independently, the number of days in which A and B can together finish the work in :  
Answer: Option A Explanation: Ratio of rates of working of A and B = 2 : 1. So, ratio of times taken = 1 : 2.
So, A and B together can finish the work in 4 days.


10 .Twenty women can do a work in sixteen days. Sixteen men can complete the same work in fifteen days. What is the ratio between the capacity of a man and a woman?  
Answer: Option B Explanation: (20 x 16) women can complete the work in 1 day.
(16 x 15) men can complete the work in 1 day.
