Question

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.

Answer 1

first half of 10 km=10/2
                         =5 
his first half he traveled in the rate of 21 km per hour.therefore,5 into 21 will give u the first half of the journey.=105.
2nd half=24 into 5=125.
total distance traveled=105 plus 125=235km