Question

The ratio of the walking speeds of three people
v in race walking is 3:4:5. If their walking
distances are the same, then the ratio of the
times taken is
A. 3:4:5.
B. 9:16:25.
c. 16:15:9.
D. 20:15:12​

Answer 1

3 : 4 : 5 = 3² : 4² : 5² = 9 : 16 : 25

The answer is B.

Hope this helps.