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Time and Work Practice Test 2 with solutions
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© examsnet.com
Question : 19
Total: 40
A is twice as good as Worker B and together they can finish given assignment in 8 days. Find the time taken by A alone to finish the assignment.
12 days
10 days
14 days
1 days
Cannot be determined
Validate
Solution:
Let time taken by A and B alone to finish the assignment is x and 2x respectively.
Work done by both in one day =
1
x
+
1
2
x
Now
1
x
+
1
2
x
=
1
8
2
+
1
2
x
=
1
8
2x = 24
x = 12
So, A alone finish the given assignment in 12 days.
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