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
- (a) 5
- (b) 5 × 1/2
- (c) 6
- (d) 8
- (c) 6
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?
- (a) 35 Days
- (b) 40 Days
- (c) 45 Days
- (d) 50 Days
- (b) 40 Days
A and B can together finish a work in 30 days. They worked together for 20 days and then B left. After another 20 days, A finished the remaining work. In how many days A alone can finish the work?
- (a) 20
- (b) 40
- (c) 50
- (d) 45
- (d) 45
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?
- (a) 5 × 5/11
- (b) 5 × 6/11
- (c) 6 × 5/11
- (d) 6 × 6/11
- (a) 5 × 5/11
10 women can complete a work in 7 days and 10 children take 14 days to complete the work. How many days will 5 women and 10 children take to complete the work?
- (a) 3
- (b) 5
- (c) 7
- (d) Cannot be determined
- (c) 7
X and Y can do a piece of work in 20 days and 12 days respectively. X started the work alone and then after 4 days Y joined him till the completion of the work. How long did the work last?
- (a) 6 days
- (b) 10 days
- (c) 15 days
- (d) 20 days
- (b) 10 days
A is 30% more efficient than B. How much time will they, working together, take to complete a job which A alone could have done in 23 days?
- (a) 11 days
- (b) 13 days
- (c) 20 × 3/17 days
- (d) None of these
- (b) 13 days
Roomi and Kamran are working on an assignment. Roomi takes 6 hours to type 32 pages on a computer, while Kamran takes 5 hours to type 40 pages. How much time will they take, working together on two different computers to type an assignment of 110 pages?
- (a) 7 hours 30 minutes
- (b) 8 hours
- (c) 8 hours 15 minutes
- (d) 8 hours 25 minutes
- (c) 8 hours 15 minutes
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:
- (a) 1/24 day
- (b) 24/7 day
- (c) 1/8 day
- (d) 1 day
- (b) 24/7 day
Shama can do a piece of work in 20 days. Tanya is 25% more efficient than Shama. The number of days taken by Tanya to do the same piece of work is:
- (a) 15
- (b) 16
- (c) 18
- (d) 25
- (b) 16