A man rides at the rate of 20km/hr.

A man rides at the rate of 20km/hr. But stops 10minutes to change horses at the end of every 25th kilometer. How long will he take to go a distance of 175 kilometers?

Quiz

Answer/Solution

9hr 45min

Steps/Work

speed of man = 20km/hr
number of rests = (175/25)-1 = 6
time taken for the man = (175/20)+6*(10/60) = 9 hr 45 min
Answer is C