Question

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

Options

• 17 km/hours

• 7 km/hours

• 13 km/hours

• 26 km/hours

Answer 1

13 km/hours

Explanation:

HCF (52, 91) = 13

If man walks 13 km/hr then he can walk 52 km in 4 hours and 91 km in 7 hours.