If 5 men or 8 women can do a piece of work in 12 days, how many days will be taken by 2 men and 4 women to do
the same work?
Answers
Answered by
3
Step-by-step explanation:
According to the question
5 men = 8 women
∴ 2 men =
8
× 2 =
16
women
5 5
∴ Total women =
16
+ 4 =
36
women
5 5
∴ No. of days to do the same work
=
8 × 12
=
8 × 12 × 5
36/5 36
=
40
= 13
1
days
3 3
Aliter : Using Rule 12,
Here, A = 5, B = 8, a = 12
A1 = 2 and B1 = 4
Time taken =
a(A × B)
A1B + B1A
=
12(5 × 8)
2 × 8 + 4 × 5
=
12 × 40
36
=100 days
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