Quantitative Aptitude

1. 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?                           (2)

1. 1. 6 days
2. 2. 10 days
3. 3. 15 days
4. 4. 20 days

2. Ravi and Kumar are working on an assignment. Ravi takes 6 hours to type 32 pages on a computer, while Kumar 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?                                                             (3)

1. 1. 7 hours 30 minutes
2. 2. 8 hours
3. 3. 8 hours 15 minutes
4. 4. 8 hours 25 minutes

3. Sakshi can do a piece of work in 20 days. Tanya is 25% more efficient than Sakshi. The number of days taken by Tanya to do the same piece of work is:                                                                                    (2)

1. 1. 15
2. 2. 16
3. 3. 18
4. 4. 25

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?                                                                                      (2)

1. 1. 35
2. 2. 40
3. 3. 45
4. 4. 50

5. A and B can together finish a work 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?                          (4)

1. 1. 40
2. 2. 50
3. 3. 54
4. 4. 60