Consider a rectangle of breadth 5 cm and area 30 sq cm. Then the length of this rectangle is

4 cm

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6 cm

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8 cm

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12 cm

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Solution

The correct option is B
6 cm

If 'l' is the length of a rectangle and 'b' is its breadth, then its area 'A' is given by $A = l \times b$ .

Given b = 5 cm and A = 30 sq cm

Then, $b = \frac{A}{l} = \frac{30}{5} = 6 c m$

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