Express a speed of 46 kmph in meters per second?  Choose the correct answer
A) 10.78 mps  B) 12.78 mps  C) 97.78 mps  D) 17.78 mps  E) 18.78 mps

Rationale: "46 * 5 / 18 = 12.78 mps answer : b"
Answer: B