BD Merit - Freelancing, BCS, Bank, Primary, Admission, NTRCA

1 . The area of a rectangle is 200 sq. meter. If the length is twice the breadth, what is the perimeter of the rectangle?

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Answer: Option A

Explanation:

Let L be the length and B be the breadth.

So, L x B = 200

or, 2B x B = 200

or, B2 = 100

or, B = 10

So, L = 2B = 2 x 10 = 20

Therefore, the perimeter of the rectangle = 2 (L + B) = 2 (20 + 10) = 2 x 30 = 60.