A man complete a journey in 10 hours. He travels first half of the journey at the rate of 21 km/hr and second half at the rate of 24 km/hr. Find the total journey in km.	Choose the correct choice from the following options
A) 121km B) 242km C) 224km D) 112km E) 115km
Explanation:   Average Speed =2Ã—21Ã—24/21+24=22.4 km/hr   Total distance =22.4Ã—10=224 km   ANSWER IS 224km
<result>C</result>
A man complete a journey in 10 hours. He travels first half of the journey at the rate of 21 km/hr and second half at the rate of 24 km/hr. Find the total journey in km.