1.

I Drove 60 Km At 30 Kmph And After That An Extra 60 Km At 50 Km Ph. Register My Normal Speed Over My 120 Km.

Answer»

37 ½ km PH Solution: Time required for the initial 60 km = 120 min.

The Time required for the second 60 km = 72 min.

ADD up to time required = 192 min

Average speed = (60*120)/192 = 37 1/2

37 ½ km ph Solution: Time required for the initial 60 km = 120 min.

The Time required for the second 60 km = 72 min.

Add up to time required = 192 min

Average speed = (60*120)/192 = 37 1/2



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