A room is $5 m 40 c m$ long and $3 m 75 c m$ wide. What area of carpet is needed to cover the floor?

20.25 m^{2}

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20.52 m^{2}

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20.15 m^{2}

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20.51 m^{2}

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Solution

The correct option is A $20.25 m^{2}$
Given:
Length of room $l = 5 m 40 c m = 5.4 m$
Breadth of room $b = 3 m 75 c m = 3.75 m$
We know,
Area of room, $A = l \times b$
$\Rightarrow A = 5.4 \times 3.75$
$\Rightarrow A = 20.25 m^{2}$

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