2020 · Q15
A train of length 110 m is moving at a uniform speed of 132 km/hr. The time required to cross a bridge of length 165 m is
Elementary MathematicsTime, Speed and Distance
- A6.5 seconds
- B7 seconds
- C7.5 seconds
- D8.5 seconds
Explanation
Total distance = 110+165 = 275 m; speed 132 km/h = 110/3 m/s. Time = 275/(110/3) = 7.5 seconds - option (C). As a check, 7.5*(110/3) = 275 m, the required total distance.