A and B can do a piece of work in 12 days; B and C in 15 days; C and A in 20 days. A alone can do the work in ?
A. 110 days
B. 50 days
C. 20 days
D. 30 days
Time and work Mcqs
Time and work MCQs with answers for competitive exams. Math MCQs range from basic to advanced levels, providing preparation for tests.
2 men and 12 women can finish a job in 4 days. 4 men and 6 women can do the same job in 5 days. Find the time taken by 1 man and 1 woman to complete the job ?
A. 20 days
B. 24 days
C. 30 days
D. 25 days
A alone can finish a work in 10 days and B alone can do it in 15 days. If they work together and finish, then out of a total wages of Rs.75. A will get ?
A. 45 Rs.
B. 40 Rs.
C. 35 Rs.
D. None of them
To fill a cistern, pipes P, Q & R take 20, 15 & 12 minutes respectively. The time in minutes that the three pipes together will take to fill the cistern is ?
A. 20 min
B. 5 min
C. 10 min
D. 15 min
6 men and 8 women can complete a work in 10 days. 26 men and 48 women can finish the same work in 2 days. 15 men and 20 women can do the same work in ____ days ?
A. 12 days
B. 7 days
C. 4 days
D. 6 days
P is 30% more efficient than Q. P can complete a work in 23 days. If P and Q work together, how much time will it take to complete the same work ?
A. 19
B. 13
C. 13
D. 56
P works twice as fast as Q. If Q alone can complete a work in 12 days, P and Q can finish the work in ___ days ?
A. 2
B. 4
C. 5
D. 9
A and B can do a piece of work in 21 and 24 days respectively. They start the work together and after some days, A leaves and B completes the rest of the task in 9 days. After how many days did A leave ?
A. 7
B. 3
C. 14
D. 56
4 men and 2 woman can complete a work in 2 days. If 2 men alone take 5 days to complete the work, find the time taken by 2 women alone to complete the work ?
A. 8 days
B. 20 days
C. 10 days
D. 15 days
A and B working separately can do a piece of work in 9 and 12 days respectively. If they work for a day alternately. If A begins first, in how many days the work will be completed?
A. 41/4 days
B. 55 days
C. 42/4 days
D. 78 days