A train running with a speed of 36 km/hr, crosses a telephone pole. If the length of train is 1020 meters, then what is the time taken (in seconds) by the train to cross the pole?
A145
B72
C102
D94
Answer:
C. 102
Read Explanation:
Speed of the train = 36 km/hr = 36 × 5/18 m/s = 10 m/s
time taken = x sec.
⇒ 10x = 1020
⇒ x = 102