Question 6

The length and breadth of a rectangle is in the ratio of 3 : 1. If its perimeter is 96 m, then what is the length of the rectangle?

Solution

Let the length of the rectangle be 3x and breadth be 1x

Given, perimeter = 96 m

$$\therefore$$ 2(l + b) = 96 (or) l + b = 48 (or) 3x + 1x = 48 (or) x = 12 m

Now, Length of the rectangle = 12 x 3 = 36 m

Hence, option A is the correct answer.

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