A train moves at the speed of 40 m/s and crosses a bridge of length 550 metres in 25 seconds. What is the length (in metres) of the train?

Question

নিচের অপশন গুলা দেখুন

• 550
• 450
• 400
• 480

Answer 1

সঠিক উত্তর হচ্ছে: 450

ব্যাখ্যা: Speed of train = 40 m/s, let length of train is L Speed of train = (Length of train + length of bridge)/Time ⇒ 40 = (L + 550) /25 ⇒ L = 1000 – 550 = 450 m