A person travelled from station A to station B at 40 km/h and from to A at 30 km/h.The entire journey took 6.3 hours. What is the distance (in km) between A and B?
Answer & explanation
Correct answer: option 2
Let required distance = D km
According to question ,
\(\frac{D}{40}\) + \(\frac{D}{30}\) = 6.3
\(\frac{7D}{120}\) = 6.3
D = 108 km
So , required distance is 108 km