Question

Q
(c) 23 days
Ja 4. 2 men and 3 boys can do a piece of
work in 10 days while 3 men and
2 boys can do the same work in 8
days. In how many days can 2 men
and I boy do the same work?
2
(a) 12-days (b) 24 dyas
а
3
(c) 14 days (d) 12 days
2
eset
12 2 days​

Answer 1

Answer:

3.

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Answer 2

Answer:

2/x + 3/y = 10

And

3/x + 2/y = 8

Solving the equation

1/y = 1/100

1/x = 7/200

So,

For 2 men and 1 boy

2/100 + 7/200 = 11/200

Then number of days required is,

= 200/11 = 18.18 days