Question
1.
2.
3.
4.
Answer (Detailed Solution Below)
Option 2 : 72 km/h
Advertisement
Detailed Solution
सही उत्तर 72 km/h है।
Key Points
Helpful?
Question:
A train 240 m long crosses a pole in 12 seconds. What is the speed of the train in km/h?
1.
60 km/h
2.
72 km/h
3.
80 km/h
4.
64 km/h
Correct Answer: 72 km/h
Speed = 240/12 = 20 m/s = 20 x 18/5 = 72 km/h. / चाल = 240/12 = 20 मी/से = 20 x 18/5 = 72 किमी/घं।
Downloaded from PrepSnap (prepsnap.in)