Answers

2016-03-12T17:05:58+05:30
80km/hr =80x5/18 m/sec
total distance travelled in 15 mins =15x60 sec speed x time= 80x5/18x15x60 =20,000m
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2016-03-12T17:07:44+05:30
Speed = 80 km/hr

time = 15 minutes = 50 /60 = 0.25 h

so , speed = distance / time
distance = speed × time
distance = 80 × 0.25 = 20 km
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