Question

A man, who has to walk 11 km, finds that in 30 minutes he has travelled two ninth of the remaining distance. What is his speed in km/h?

(A) 4
(B) 4.5
(C) 4.8
(D) 4.2

Answer 1

Step-by-step explanation:

Let the distance be x km.

⇒ 4/x − 5/x = 60/15

which gives x=5.