Multiple choice general knowledge math & puzzles

A train running at the speed of 60 km/hr crosses a pole in 9 seconds. What is the length of the train?

  1. 120

  2. 150

  3. 180

  4. 160

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

To find the length, convert speed to m/s: 60 * (5/18) = 50/3 m/s. Distance = Speed * Time, so (50/3) * 9 = 150 meters. 120, 180, and 160 are incorrect results derived from using wrong conversion factors or calculation errors.