Quantitative Aptitude

1. A and B can do a work in 8 days, B and C can do the same work in 12 days. A, B and C together can finish it in 6 days. A and C together will do it in :                                                                       (3)

1. 1. 4 days
2. 2. 6 days
3. 3. 8 days
4. 4. 12 days

2. A and B together can do a piece of work in 30 days. A having worked for 16 days, B finishes the remaining work alone in 44 days. In how many days shall B finish the whole work alone?                                         (3)

1. 1. 30 days
2. 2. 40 days
3. 3. 60 days
4. 4. 70 days

3. 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

4. A alone can do a piece of work in 6 days and B alone in 8 days. A and B undertook to do it for Rs. 3200. With the help of C, they completed the work in 3 days. How much is to be paid to C?                          (2)

1. 1. Rs. 375
2. 2. Rs. 400
3. 3. Rs. 600
4. 4. Rs. 800

5. A is thrice as good as workman as B and therefore is able to finish a job in 60 days less than B. Working together, they can do it in:                                                                        (2)

1. 1. 20 days
2. 2. 22*1/2 days
3. 3. 25 days
4. 4. 30 days