Area and Perimeter Practice Test 1

Question : 15 of 40

Marks: +1, -0

The length of one pair of opposite sides of a square is increased by 5 cm on each side; the ratio of the length and breadth of the newly formed rectangle becomes 3 : 2. Find the area of the original square.

81 $cm^2$
100 $cm^2$
121 $cm^2$
144 $cm^2$

Validate

Solution:

{x+5}/x

3/2

⇒ 3x – 2x = 10
∴ x = 10
Hence, area of the original square =

(10)^2

= 100

cm^2

Go to Question:

Prev Question

Next Question