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Time and Work Practice Test 2 with solutions
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© examsnet.com
Question : 3
Total: 40
A and B can together finish a work in 30 days. They worked together for 20 days and then B left. After another 20 days, A finished the remaining work. In how many days A alone can finish the job?
60 days
54 days
50 days
40 days
Validate
Solution:
(A + B)'s 20 days' work =
20
30
=
2
3
Remaining part of work = 1 –
2
3
=
1
3
, which will be done by A alone in 20 days.
Hence, whole work will be done by A alone in 20 × 3 = 60 days.
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