A rectangular ground is 42m long and 30 m broad find it perimeter. If a boy can run 60m in 1 min.How many minutes does he complete 5 round
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Answer:
144 m , 12 minutes
Step-by-step explanation:
Perimeter of Rectangle = 2 ( L + B )
= 2 ( 42 m + 30 m )
= 2 × 72 m
= 144 m
144 × 5 ÷ 60 = 12 × 5 ÷ 5 = 12 minutes .
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