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Question

# The length and breadth of a rectangular courtyard is 45 m and 35 m respectively. Find the distance covered by a boy to take 5 rounds of the courtyard.

A
200 m
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B
400 m
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C
600 m
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D
800 m
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Solution

## The correct option is D 800 mGiven, Length of the courtyard = 45 m Breadth of the courtyard = 35 m Courtyard is in the shape of rectangle. We know that perimeter of a rectangle = 2 x (length + breadth) Therefore, perimeter of the courtyard = 2 (45 + 35) m = 2 × 80 m = 160 m Distance covered by the boy in taking 5 rounds of the courtyard = 5 × perimeter of courtyard = 5 × 160 = 800 m

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