Question
AirAsia covered the distance between destination II and
III at the speed of 94 km/hr and that between destination III and IV at the speed of 54 km/hr. what is its average speed of this journey? In the following table eight destinations - I, II, III, IV, V, VI, VII and VIII - have been given. A car crosses all the destinations if it starts from destination I to destination VIII. Question mark (?) in the table show the missing figures. Study the table carefully and answer the following given questions. ÂSolution
Time taken between destinations II and III =Â `376/94` Â =Â Â 4 hours Time taken between destinations III and IV =Â `324/54` Â =Â 6 hours 
 Average speed = total distance / total time = `(376+324)/(4+6)`  = 70 km/h
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