Question

What is the greatest possible speed at which a man can walk 52 km and 91 km in an exact number of minutes? (a) 17 m/min (b) 7 m/min (c) 13 m/min (d) 26 m/min?

Answer 1

Answer:

13km/min is the greatest speed travelled

Step-by-step explanation:

52 = 13×4

91 =13×7

so greatest speed is 13

Answer 2

Answer:

3

Step-by-step explanation:

52=2×2×13

91=7×13

HCF=3