Question

45 men can complete a work in 36days working 8hours a day.How many men should be employed to finish the work in 27days working 7¹/2 hours a day
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Answer 1

Step-by-step explanation:

According to question,

Let the remaining work is completed in 'D' days

45men×16days=(45men×4days)+(45+36)men×D

540

81

=D

D=6

2

3

days

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Answer 2

Answer:

60 mens

Step-by-step explanation:

According to question,

Let the remaining work is completed with 'x' mens

1 man can do work in 1day = 1/36*45 = 1/1620

1 man can do work in 1day = 1/27*x = 1/1620

$\frac{1}{27x}=\frac{1}{1620} \\1620 = 27x\\x = 60$

60 mens can do same work in 27days working 7.5 a day

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