SSC CHSL 6 Aug 2021 Shift 1 Paper

Section: Quantitative Aptitude

Question : 66 of 100

Marks: +1, -0

In a rectangular park having dimensions

60 {m} × 40 {m}

, two circular flower beds with radius

7 {m}

are developed. What is the area of the remaining portion of the park?

(\;\text " Use "\; π=\;{22}/{7})^{2}

Solution:

According to the question,
Remaining area of the park

=

Rectangular park area

-2 ×

Circular flower beds area

=

length

\times

breadth

-2 × 2 π r

=(60 × 40)-(2 × \;{22}/{7} × 7 × 7)

=2400-308=2092 {m}^{2} \;\text ". "\;

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