Q255
A motorcyclist completes a certain journey in 5 hours. He covers one-third distance at 60 km/hr and the rest at 80 km/hr. The length of the journey is :
A.
180 km
B.
240 km
C.
300 km
D.
360 km
AnswerAnswer: Option D
Solution
Answer: Option D
Solution:
Let the length of the journey be x km.Then,