# Time and Work

Time and Work: Time and Work Problems, Time and Work Formula, Time and Work Questions with Tricks for answering them

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## Online Aptitude Questions with Answers on Time and Work

Q101. **If 5 men and 2 boys working together, can do four times as much work per hour as a man and a boy together. Find the ratio of the work done by a man and that of a boy for a given time?**

1.  1:3
2.  3:1
3.  1:2
4.  2:1

Solution : 2:1
Q102. **30 men can do a work in 40 days. When should 20 men leave the work so that the entire work is completed in 40 days after they leave the work?**

1.  5 days
2.  10 days
3.  15 days
4.  20 days

Solution : 10 days
Q103. **A and B can do a work in 4 hours and 12 hours respectively. A starts the work at 6AM and they work alternately for one hour each. When will the work be completed?**

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

Solution : 6 days
Q104. **A can do a work in 9 days and B can do the same work in 18 days. If they work together, in how many days will they complete the work?**

1.  8
2.  7
3.  6
4.  5

Solution : 6

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Q105. **A, B and C can do a work in 90, 30 and 45 days respectively. If they work together, in how many days will they complete the work?**

1.  15
2.  10
3.  20
4.  25

Solution : 15
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