Study Materials for IBPS, Bank Exams : Numerical Ability/Quantitative Aptitude - Time and Work [MCQ]

1. A can do a piece of work in 10 days; B in 15 days. They work for 5 days. The rest of the work was finished by C in 2 days. If they get Rs. 1500 for the whole work, the daily wages of B and C are:

1. Rs. 160
2. Rs. 225
3. Rs. 255
4. Rs. 350
5. Rs. 275

2. A and B together can complete a work in 12 days. A alone can complete it in 20 days. If B does the work only for half a day daily, then in how many days A and B together will complete the work?

1. 13 days
2. 16 days
3. 15 days
4. 22 days
5. 18 days

3. 12 men can complete a piece of work in 4 days, while 15 women can complete the same work in 4 days. 6 men start working on the job and after working for 2 days, all of them stopped working. How many women should be put on the job to complete the remaining work, if it is to be completed in 3 days?

1. 15
2. 19
3. 23
4. data inadequate
5. None of these

4. Twelve children take sixteen days to complete a work which can be completed by eight adults in twelve days. Sixteen adults started working and after three days ten adults left and four children joined them. How many days will they take to complete the remaining work?

1. 3 days
2. 5 days
3. 6 days
4. 9 days
5. None of these

5. 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?

1. 5 days
2. 8 days
3. 7 days
4. cannot be determined
5. None of these

6. Sixteen men can complete a work in twelve days. Twenty-four children can complete the same work in eighteen days. Twelve men and eight children started working and after eight days three more children joined them. How many days will they now take to complete the remaining work?

1. 5 days
2. 4 days
3. 10 days
4. 9 days
5. None of these

7. Twenty-four men can complete a work in sixteen days. Thirty-two women can complete the same work in twenty-four days. Sixteen men and sixteen women started working and worked for twelve days. How many more men are to be added to complete the remaining work in 2 days?

1. 18 men
2. 24 men
3. 36 men
4. 50 men
5. None of these

8. 5 men and 2 boys working together can do four times as much work as a man and a boy. Working capacities of a woman and a boy are in the ratio:

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

9. If 12 men and 16 boys can do a piece of work in 5 days; 13 men and 24 boys can do it in 4 days, then the ratio of the daily work done by a man to that of a boy is:

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