51.
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A, B and C can complete a piece of work in 24, 6 and 12 days respectively. Working together, they will complete the same work in:
|
|
|
Answer: Option C
Explanation:
Formula: If A can do a piece of work in n days, then A's 1 day's work =
|
1
|
.
|
n
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(A + B + C)'s 1 day's work =
|
|
1
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+
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1
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+
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1
|
|
=
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7
|
.
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24
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6
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12
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24
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Formula: If A's 1 day's work =
|
1
|
,
|
then A can finish the work in n days.
|
n
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So, all the three together will complete the job in
|
|
24
|
days
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=
|
3
|
3
|
days.
|
7
|
|
Title : Time And Work Q51
Description : 51. A, B and C can complete a piece of work in 24, 6 and 12 days respectively. Working together, they will complete the same work in: ...
Rating : 5
