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A train travelling at the speed of x km/...

A train travelling at the speed of x km/h crossed a 200 m long platform in 30 seconds and overtook a man walking in the same direction at the speed of 6 km/h in 20 seconds. What is the value of x ?
x किमी/घंटा की चाल से चलती हुई कोई ट्रेन 200 मीटर लंबे प्लेटफ़ॉर्म को 30 सेकंड में पार करती है तथा उसी दिशा में 6 किमी/घंटा की चाल से चल रहे एक व्यक्ति को 20 सेकंड हे छोड़ देती है | x का मान क्या है?

A

54

B

56

C

50

D

60

Text Solution

Verified by Experts

The correct Answer is:
D
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