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Time and Work Practice Test 2 with solutions
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© examsnet.com
Question : 1
Total: 40
A contractor undertook to complete a project in 90 days and employed 60 men on it. After 60 days, he found that 3/4 of the work has already been completed. How many men can he discharge so that
the project may be completed exactly on time?
15
20
30
40
Validate
Solution:
After 60 days remaining work = 1
−
3
4
=
1
4
In 60 days
3
4
work has been done by 60 men
In 30 days
1
4
work will be done by 60 ×
4
3
×
1
4
×
60
30
= 40 men.
Hence, required number of men = 60 – 40 = 20 (which are to be discharged).
© examsnet.com
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