Find the breadth of a rectangle whose area is $2 m^{2}$ and the length is $200$ cm.

100

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1

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10

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None of the above

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Solution

The correct option is D $1$ m
Length $(l)$ of rectangle $= 200 c m$

Let breadth of rectangle $= b$ cm

Area of rectangle $= l \times b = 2 m^{2} = 2000 c m^{2}$ ( $∵ 100 c m = 1 m$ )

$\Rightarrow 200 \times b = 2000$

$\Rightarrow b = 100 c m = 1 m$

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