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Area

Q1: The ratio between the perimeter and the breadth of a rectangle is 5 : 1. If the area of the rectangle is 216 sq. cm, what is the length of the rectangle?

A 16 cm

B 18 cm

C 24 cm

D Data inadequate

E None of these

ANS:B - 18 cm

2(l + b) = 5
b 1
 2l + 2b = 5b  3b = 2l
b = 2 l
3
Then, Area = 216 cm2  l x b = 216
l x 2 l = 216
3
 l2 = 324  l = 18 cm.



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