Question

For a rectangle, the length and breadth are increased by 10 %
and 20% respectively. What is the percentage increase in area ?
(A) 24 % (B) 48% (C) 32% (D) 54 %​

Answer 1

Step-by-step explanation:

Let the Length of the rectangle be L.

So, we can say

L+10%

Now, Breadth is increased by 20%

Taking breadth as B,

We have

B+20%

Now , Area of rectangle is L×B

$\frac{100l + 10}{100} \times \frac{100b + 10}{100} = area$

Calculating this we get the answer AS 24%(approx.)

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