A man goes downstream at 14 kmph, and upstream8 kmph. The speed of the stream is Choose the correct choice
A) 0 kmph  B) 4 kmph  C) 16 kmph  D) 2.5 kmph  E) 3 kmph

Rationale: speed of the stream = 1 / 2 ( 14 - 8 ) kmph = 3 kmph . correct option : e
Answer: E