A man travelled a distance of 35 km in 5 hours. He travelled partly on foot at the rate of 4 km/h and the rest on bicycle at the rate of 9 km/h. The distance travelled on foot is:
Answer & explanation
Correct answer: option 1
We know that,
Speed = \(\frac{Distance}{Time}\)
= \(\frac{35}{5}\)
= 7 km/h
By using allegation method,
According to question,
( 2 + 3 )R = 5 hours
1R = 1 hour
Time taken by man to travel on foot = 2 hours
Distance travelled on foot is = 4 x 2
= 8 km