Quantitative Aptitude MCQ On - Time and Work - Online Test Part - 2

Time and Work Online Test Part - 2

Exam Name - Quantitative Aptitude
Subject Name - Time and Work
Exam Type - Multiple Choice Questions
No Of Questions - 10

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Question - 1: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??

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

Show/Hide Answer

Answer = B - Rs. 400
Explanation: No Explanation

Question - 2:5 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. 1 : 3
3. 2 : 1
4. 3 : 1

Show/Hide Answer

Answer = C - 2 : 1
Explanation: No Explanation

Question - 3:A and B can do a peice of work in 45 days and 40 days respectively they began to do the work together but A leaves after some days and then B completed the remaining work in 23 days. The number of days after which A left the work was : ?

1. 6
2. 9
3. 12
4. 8

Show/Hide Answer

Answer = B - 9
Explanation: No Explanation

Question - 4: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. 4 days
2. 5 days
3. 6 days
4. 7 days

Show/Hide Answer

Answer = A - 4 days
Explanation: No Explanation

Question - 5:A man can do a job in 15 days. His father takes 20 days and his son finishes it in 25 days. How long will they take to complete the job if they all work together? ?

1. Less than 6 days
2. exactly 6 days
3. appro. 6.4 days
4. more than 10 days

Show/Hide Answer

Answer = C - appro. 6.4 days
Explanation: 1 day's work of the three persons = (1/15+1/20+1/25)
47/300.
So, all the three together will complete the work in = 300/47
= 6.4 days.

Question - 6:A does half as much work as B in three-fourth of the time. If together they take 18 days to complete the work, how much time shall B take to do it. ?

1. 30 days
2. 35 days
3. 40 days
4. None of these

Show/Hide Answer

Answer = A - 30 days
Explanation: No Explanation

Question - 7: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? ?

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

Show/Hide Answer

Answer = C - 12 hours
Explanation: No Explanation

Question - 8:A tyre has punctures. The first puncture alone would have made the tyre flat in 9 minutes and the second alone would have done it in 6 minutes. If air leaks out at a constant rate, how long does it take both the punctures together to make it flat? ?

1. 1x1/2 minutes
2. 3x1/2 minutes
3. 4x1/4 minutes
4. 3x3/5 minutes

Show/Hide Answer

Answer = D - 3x3/5 minutes
Explanation:
1 minute's work of both the punctures = (1/9+1/6)
= 5/18
So, both the punctures will make the tyre flat in = 18/5
= 3x3/7 days.

Question - 9:A is thrice as good a workman as B and takes 10 days less to do a piece of work than B takes. B alone can do the whole work in :
?

1. 12 days
2. 15 days
3. 20 days
4. 25 days

Show/Hide Answer

Answer = B - 15 days
Explanation: No Explanation

Question - 10: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 alone in 50 days, then B alone could do it in: ?

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

Show/Hide Answer

Answer = C - 25 days
Explanation: No Explanation

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