Time and work related questions are very important for competitive exams with usually 2-3 questions coming from this section. We will be coming up with over 20 sets on time and work set problems for your practice.
Q1. A is thrice as good a workman as B, therefore, A is able to finish a piece of work in 60 days less that B. The time (in days) in which they can do it working together is:
(a) 22
(b) 22 1/2
(c) 23
(d) 23 1/4
(e) None of these
Q2. A and B working separately can do a piece of work in 9 and 12 days, respectively. If they work for a day alternately with A beginning, the work would be complete in:
(a) 10 2/3 days
(b) 10 1/2 days
(c) 10 1/4 days
(d) 10 1/3 days
(e) None of these
Q3. A can do a piece of work in 24 days, B in 32 days and C in 64 days. Everyone begin to do it together, but A leaves after 6 days B leaves 6 days before the completion of the work. How many days did the work last?
(a) 15
(b) 20
(c) 18
(d) 30
(e) None of these
Q4. A, B and C have to type 506 pages to finish an assignment. A can type a page in 12 minutes, B in 15 minutes and C in 24 minutes. If they divide the task into three parts so that all three of equal amount of time in typing, what is the number of pages that B should type?
(a) 172
(b) 176
(c) 154
(d) 168
(e) 164
Q5. If A works alone, he would take 4 days more to complete the job than if both A and B worked together. If B worked alone, he would take 16 days more to complete the job than if A and B work together. How many days would they take to complete the work if both of them worked together?
(a) 10 days
(b) 12 days
(c) 6 days
(d) 8 days
(e) None of these
SOLUTIONS:
1.B
2.C
3.B
4.B
5.D
Hola! If you haven't heard this quote yet, take a moment to read it here.…
"Think good an good follows. Think evil and evil follows. Think creative and creativity will…
Better late than never! Apologies for the delay in responding, but I'm here now to…
By providing accurate information, context, promoting critical thinking, raising awareness, connecting global and local issues,…
Current affairs coverage often showcases stories of individuals and communities making a positive impact. Q1.…
Current affairs coverage helps individuals understand the interconnectedness of global and local events. It shows…