The perimeter of a rectangle is 60 metres. If its length is twice its breadth then its area is --

A 160 m2
B 180 m2
C 220 m2
D 200 m2

Correct Answer: 200 m2

ধরি, Rectangle টির প্রস্থ x m ∴ " টির দৈর্ঘ্য 2x m ∴ 2(2x + x ) = 60 ⇒ 3x = 30 ∴ x = 10 ⇒ Rectangleটির area = (2×10)×10 m2 = 200 m2
Bissoy MCQ
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