Question

what is the greatest possible speed at which a man can walk 52 km and 91 km in an exact number of minutes

Answer 1

hcf
52 = 13×4
91 =13×7
so greatest no is 13

Answer 2

HEYA........✌✌✌✌✌

HERE IS YOUR ANSWER..........

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HCF OF 52 and 91 is 13

So 13km/min is the greatest speed travelled.

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HOPE MY ANSWER WOULD HELP YOU

REGARD MADHU@