SSC CHSL 20 Dec 2015 Shift 2 Paper

Question : 113 of 200

Marks: +1, -0

The length of a rectangle is twice the breadth. If area of the rectangle be 417.605 sq.m., then length is

Solution:

Let breadth = x m and length = 2x m
⇒ Area of rectangle =

l × b = 417.605

⇒

2x^2 = 417.605

⇒

x 2 = 417.605/2 = 208.8025

⇒

x = √208.8025 = 14.45

∴ Length =

2 × 14.45 = 28.90

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