Question : A person travels a distance of 240 km, partly by train and the rest by bus. He takes
Option 1: 80 km/hr
Option 2: 70 km/hr
Option 3: 75 km/hr
Option 4: 72 km/hr
Correct Answer: 75 km/hr
Solution :
Let the speed of the train be
According to the question,
⇒
Now,
⇒
Subtracting equation (1) from equation (2), we get
⇒
⇒
Speed of the bus = 60 km/hr
From equation (1),
⇒
⇒
⇒
Hence, the correct answer is 75 km/hr.
