Question

a man can do a work in 10days with the help of a boy he can do the same work in 6 days if they get 50rs for that work what is the share of the boy​

Answer 1

Answer:

20

Explanation:

A man can do a work in 10 days

A man do a part of work in 1 day= \frac{1}{10}

10

1

With the help of a boy he can do the same Work in 6 days.

Together they can do a part of work in 1 day = \frac{1}{6}

6

1

So, Boy can do a part of work in 1 day = \frac{1}{6}-\frac{1}{10} =\frac{4}{60}

6

1

−

10

1

=

60

4

So, Boy van do complete work in days = \frac{60}{4}=15

4

60

=15

So, Man : Boy = \frac{1}{10}:\frac{1}{15}

10

1

:

15

1

= 15:1015:10

= 3:23:2

They get rs.50 for that work.

So, Boys share = \frac{2}{5} \times 50

5

2

×50

Boys share =20

So, Boy's share is rs.20