Question: a train 100 m long is running at a speed of 68 kmph . how long does it take to pass a man who is running at 8 kmph in the same direction as the train ?
A) 6 sec
B) 9 sec
C) 12 sec
D) 15 sec
E) 18 sec
Correct answer: A
Grade: 7 | Topic: Expressions and Equations | Difficulty: Medium | Standard: 7.EE.B.4