A man performs 1/2 of the total journey by rail, 1/4 by bus and the remaining 4km on foot. His total journey is	Choose the correct choice from the following answers.
A) 18km B) 16km C) 12km D) 24km E) 25km
Explanation:   Let the journey be x km   Then, 1x/2 + 1x/4 +4 =x   3x +16 =4x   X = 16km   Answer: Option 16km
<result>B</result>
A man performs 1/2 of the total journey by rail, 1/4 by bus and the remaining 4km on foot. His total journey is