2014 · Q12
A train takes 9 seconds to cross a pole. If the speed of the train is 48 km/hr, the length of the train is
Elementary MathematicsArithmetic
- A150 m
- B120 m
- C90 m
- D80 m
Explanation
48 km/hr = 40/3 m/s; length = (40/3) x 9 = 120 m.
A train takes 9 seconds to cross a pole. If the speed of the train is 48 km/hr, the length of the train is
Explanation
48 km/hr = 40/3 m/s; length = (40/3) x 9 = 120 m.