Question

8. 7 men and 8 boys can do a piece of work in 2 days. 4 men and 12 boys can do 29/56 of
the same work in 1 day. In how many days
will 1 man do this work ?
(28 days (d) 30 days​

Answer 1

Answer:

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☆Given:-

7m + 8b =1/2. work in a day-------(1)

4m + 12b=29/56. work in a day-------(2)

☆To find:-

• In how many days
• will 1 man do this work ?

☆Step by step:-

Multiply equation (1) by 12

Multiply equation (2) by 8

☆Now:-

I. e, 84m + 96 b =6-

32m + 96 b =(29/7)

--------------------------

52m. =(13/7)

m =(13/7) = 1

--------- -----

work in a day

52. 28

☆Hence,

The work will be done in 28 days:-

☆Final Answer:-

A) 28 DAYS.