Question

8 men can dig a pit in 20 days. if a man 4 works half as much again as a boy, then 4 men and 9 boys in how many days can dig it. ​

Answer 1

Answer:

Step-by-step explanation:

from the given data

work done by men=1+ 2 1

​  

 

workdone by boy=1

So,ratio o fwork  done by man and boy=3:2

Now,

Totalwork=8×3×20

Now,

4men+9Boy=4×3+9×2

=12+18

=30

Hence,

No.ofdays=  

30

8×3×20

​  

 

=16days

Hence,optionDisthecorrectanswer.

​