1.

A car moves 50 km/h in 1 hour and 60 km/h in next 1 hour then find the average speed

Answer»

In 1st 1 HOUR, distance covered - 50 km
In 2ND hour, distance covered -60 km
total time 2 hour
then avg SPEED -( 50+60)÷2=55 km/hr



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