A train, 700 m long crosses a pole in 35 seconds. How much time does it take to cross a platform of length 740 m?
Show answer & explanation
Correct answer: C
Explanation
Correct Answer is option 3 i.e. 1 min 12 sec
|
Understanding |
Application |
Calculation |
|
Length of train = 700 m Time = 35 sec |
So, Speed of train = 20 m/sec |
⇒ 700/35 ⇒ 20 |
|
Length of platform = 740 m |
So, Time in which the train will cross the platform = 72 sec = 1 min 12 sec |
⇒ (740 + 700)/20 ⇒ 1440/20 ⇒ 72 |