A) 145 meters
B) 280 meters
C) 260 meters
D) None of these
Let the length of another train be L meters.
Their relative speed = (62 + 40) km/hr = 102 x (5/18) = (85/3) m/sec
∵ 250 + L/(85/3) = 18
⇒ 3(250 + L)/85 = 18
⇒ 250 + L = 510
⇒ L = 260
∴ Length of another train = 260 meters.
Related MCQs:
- A train moves past a telegraph post and a bridge 264 m long in 8 seconds and 20 seconds respectively. What is the speed of the train?
- A train running with a speed of 60 km/hr crosses a pole in 9 seconds. What is the length of the train?
- A 130-meter-long train travelling at a speed of 45 km/hour crosses a bridge in 30 seconds. What is the length of the bridge?
- A car travels at the speed of 36 km per hour. What is the distance traveled by the car within 20 seconds in meters