A car completes a journey in 10 hours. If it covers half

A car completes a journey in 10 hours. If it covers half of the journey at 40 kmph and the remaining half at 60 kmph, the distance covered by car is

Suppose distance be x km.

x	+	x	= 10
2 × 40		2 × 60

⇒	x	+	x	= 10
	80		120

⇒	3x + 2x	= 10
	240

⇒	5x	= 10
	240

x = 480 km