A person travelled from station A to station B at speed of 40 km/h and from B to A at 30 km/h. The entire journey took 6.3 hours. What is the distance (in km) between A and B?
Show answer & explanation
Correct answer: B
Explanation
The correct answer is Option 2 i.e. 108
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Let distance between A and B = x km So, x/40 + x/30 = 6.3 ⇒ 70x/1200 = 6.3 ⇒ 7x = 7560 ⇒ x = 108 So, Distance between A and B = 108 km |