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Time and Work Practice Test 1 with solutions
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© examsnet.com
Question : 6
Total: 40
Eighteen equally efficient workers can do a work in 12 days. They started working together and after 4 days, 6 more equally efficient workers joined them. Then the remaining work will be completed in:
5 days
6 days
5
1
2
days
6
1
3
days
None of these
Validate
Solution:
👈: Video Solution
Work done by 18 workers in 4 days =
4
×
1
12
=
1
3
Work left = 1 -
1
3
=
2
3
Number of days taken by 18 workers to do work = 12 days
Number of days taken by 24 workers to do work
=
12
×
18
24
= 9 days
So, 24 workers completed the work in 9 days.
Then
2
3
rd of the worked will be done = 9 ×
2
3
= 6 days.
© examsnet.com
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