Question

15. Aarti takes 2 rounds along a square park of side 135 m and Pia takes 4 rounds along a rectangular park
with length 75 m and breadth 40 m. Who covers more distance and by how much?​

Answer 1

Aarti runs more by pia (1080 - 690) m which is 390 m.

Explanation:

Aarti: 2 × perimeter of square

= 2 × 4 × length of side

= 2 × 4 × 135

= 1080 metres

Pia: 4 times perimeter of rectangle

= 4 × 2 × (l+b)

= 6 × (75 + 40)

= 6 x 115

= 690 m

Aarti runs more by pia (1080 - 690) m which is 390 m.

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Amit runs around a rectangular park which is 120 m long and 80 m wide. Find the distance he covers in 3 rounds. ?

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