Quantitative Aptitude

1. If 6 men and 8 boys can do a piece of work in 10 days while 26 men and 48 boys can do the same in 2 days, the time taken by 15 men and 20 boys in doing the same type of work will be:                                  (1)

1. 1. 4 days
2. 2. 5 days
3. 3. 6 days
4. 4. 7 days

2. A can do a piece of work in 4 hours; B and C together can do it in 3 hours, while A and C together can do it in 2 hours. How long will B alone take to do it?                                                (3)

1. 1. 8 hours
2. 2. 10 hours
3. 3. 12 hours
4. 4. 24 hours

3. A can do a certain work in the same time in which B and C together can do it. If A and B together could do it in 10 days and C lone in 50 days, then B alone could do it in:                              (3)

1. 1. 15 days
2. 2. 20 days
3. 3. 25 days
4. 4. 30 days

4. A machine P can print one lakh books in 8 hours, machine Q can print the same number of books in 10 hours while machine R can print them in 12 hours. All the machines are started at 9 A.M. while machine P is closed at 11 A.M. and the remaining two machines complete work. Approximately at what time will the work (to print one lakh books) be finished ?                                                  (4)

1. 1. 11:30 A.M.
2. 2. 12 noon
3. 3. 12:30 P.M.
4. 4. 1:00 P.M.

5. A, B and C can do a piece of work in 20, 30 and 60 days respectively. In how many days can A do the work if he is assisted by B and C on every third day?                                              (2)

1. 1. 12 days
2. 2. 15 days
3. 3. 16 days
4. 4. 18 days