Question

a car travels a distance a distance of 15 km in 20 mins. find the speed of the car in (I) km/hr (II) m/sec​

Answer 1

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$\large \tt \implies45km \: per \: hour$

Answer 2

(i)20 minutes=20/60 hours=1/3 hours

speed=distance/time

=15/1/3

=15×3

=45km/h

(ii)15 km=15000m

20 minutes=1200 second

speed=distance/time

=15000/1200

=12.5 m/s

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