Rahim covers a certain distance in 14 hrs 40 min. He covers one half of the distance by train at 60 km/hr. and rest half by road at 50 km/hr. The distance travelled by him is?
Correct Answer: 800 km.
Explanation:
Let the total distance be y km.
Then, (y/2) x (1/60) + (y/2) x (1/50) = 44/3
⇒ y/120 + y/100 = 44/3
⇒ 5y + 6y = 8800
⇒ y = 800
∴ Required distance = 800km.
