The perimeter of a rectangle and a square is equal to 80 cm. The difference in their areas is 100 sq. cm. Find out the dimensions of the rectangle.

Options
- 25 cm, 15 cm
- 30 cm, 10 cm
- Data insufficient
- None of these

CORRECT ANSWER : 30 cm, 10 cm

Discussion Board
writting test

not better answer relate to question


rakesh gurjar 07-7-2016 05:26 AM

aptitude

2(l+b)=80===>l+b=40

4a=80==>a=20

difference between square and rectangle is 100

then a2-lb=100===>lb=300==>b=300/l

substitute on l+b=40

then the dimensions of rectangle are 10 and 30

venkata suresh reddy 08-2-2015 08:01 AM

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