The speed of train A is 25 km/h more than the speed of train B. A takes 4 hours less time to travel a distance of 300 km than what train B takes to travel 250 km. What is the speed (in km/h) of A?
Show answer & explanation
Correct answer: A
Explanation
Correct Answer is option 1 i.e. 50
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Understanding |
Application |
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Suppose speed of B = x Speed of A = (x + 25) |
According to question: 250/x – 300/(x + 25) = 4 Now we can check with options by placing the value of x; Option 1: (x + 25) = 50 250/25 – 300/50 = 10 – 6 = 4= 4 (Satisfies the above equation) Hence, speed of A = 50 km/hr |