Question

Ratio of difference between area of a rectangle obtained in two cases, first when length of a rectangle is
decreased by 4 cm and second when breadth of the original rectangle is increased by 4 cm to the area of
rectangle is 4:9. Find ratio of numerical value perimeter to area of rectangle.
1.2:7
2.2:5
3.2:11
4.2:9
5. None of these
plz answer​

Answer 1

Answer:

I don't know answer of question