Question

A man completes his journey in 8 hours. He covers half the distance at 40 kmph and the rest at 60 kmph. The length of the journey is?

• A. 384 km
• B. 320 km
• C. 360 km
• D. 420 km

Answer 1

Answer:

A. 384 km

Let, the total journey is 2x He travelled equal distance at 40 kmph and 60 kmph Total time is 8 hours x/60 + x/40 = 8 ⇒ (2x + 3x)/120 = 8 ⇒ 5x = 120 × 8 ⇒ x = 192 Total distance = 2x = 2 × 192 = 384 km