67.
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A can finish a work in 24 days, B in 9 days and C in 12 days. B and C start the work but are forced to leave after 3 days. The remaining work was done by A in:
|
|
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Answer: Option C
Explanation:
(B + C)'s 1 day's work =
|
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1
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+
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1
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=
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7
|
.
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9
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12
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36
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Work done by B and C in 3 days =
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7
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x 3
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=
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7
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.
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36
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12
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Remaining work =
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1 -
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7
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|
=
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5
|
.
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12
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12
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Now,
|
1
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work is done by A in 1 day.
|
24
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So,
|
5
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work is done by A in
|
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24 x
|
5
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|
= 10 days.
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12
|
12
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Title : Time And Work Q67
Description : 67. A can finish a work in 24 days, B in 9 days and C in 12 days. B and C start the work but are forced to leave after 3 days. The rema...
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