Question

How long will a 150 m long train running at a speed of 60 km / hr take to cross the bridge of 300 m long ?

• A. 37 seconds
• B. 35 seconds
• C. 25 seconds
• D. 27 seconds

Answer 1

Answer:

D. 27 seconds

km/hr × 5/18 = m/sec ⇒ 60 × 5/18 = 50/3 m/sec Total distance to cover, ⇒ 150 + 300 ⇒ 450 m Using the formula, ⇒ 50/3 = 450/Time ⇒ Time = (450 × 3)/50 ⇒ Time = 27 sec.