SSC CHSL 12 Apr 2021 Shift 2 Paper

Section: Quantitative Aptitude

Question : 71 of 100

Marks: +1, -0

The length of a rectangle is five times of its breadth. If the area of the rectangle is

3125 {cm}^{2}

, then what is the length of the rectangle?

Solution:

Let the length of the rectangle be

x {cm}

∴

Breadth

=\;{x}/{5} {cm}

According to the question,
Area of the rectangle

=

length

x

breadth

=3125

∴ \;\; x × \;{x}/{5}=3125

⇒ \;\; x^{2}=3125 × 5=15625

⇒ \;\; x=√{15625}=125

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