Question

(3) Some children are in the park. Among them, fourth of the children
are playing games. Out of remaining 6 more than the third part of
children are enjoying snacks. Remaining 12 children are enjoying
reading. Find the total number of children in the park.
(4) The numerator of a rational number is 8 less than its denominator.
If the numerator is multiplied by 3 and 10 is added to the
denominator the new rational number is Find the original
rational number.​

Answer 1

Answer:

let total no of children be x

x/2 + 3/4

[x-x/2]+9=x

x/2+3/4 (x/2)+9=x

9=x-x/2 3x/8

9=x-7x/8

9=x/8

x=72