A man complete a journey in 1010 hours. He travels first half of the journey at the rate of 2121 km/hr and second half at the rate of 2424 km/hr. Find the total journey in km.  Select
A) 121 km
B) 242 km
C) 224 km
D) 112 km
E) 110 km
Solution 1   Average Speed =2Ã—21Ã—2421+24=22.4 km/hr=2Ã—21Ã—2421+24=22.4 km/hr   Total distance =22.4Ã—10=224 km   ANSWER IS 224 km
<result>C</result>
A man complete a journey in 1010 hours. He travels first half of the journey at the rate of 2121 km/hr and second half at the rate of 2424 km/hr. Find the total journey in km.