Bunty and Bubly go for jogging every morning. Bunty goes around a square park of side $80$ m and Bubly goes around a rectangular park with length $90$ m and breadth $60$ m. If they both take $3$ rounds, who covers greater distance and by how much?

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Solution

When Bunty and Bubly are going around the square and rectangular park, they're covering a distance equal to the perimeter of each park.

Now,
Perimeter of Bunty's square park = 80 m X 4 sides = 320 m
Perimeter of Bubly's rectangular park = 2 X ( 90 + 60 ) = 300 m

Hence, If they both take 3 rounds of the parks,
Bunty will cover = 3 X 320 m = 960 m
Bubly will cover = 3 X 300 m = 900 m

Therefore, Bunty covers 60 m greater distance than bubly.

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