If the length of the track is 1 km. The boy is moving at a speed of 18 km/h. If he increases
his speed by 6 km/h. Find the time saved by the boy in completing one round on the path
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Answer:
50 sec
Step-by-step explanation:
distance/velocity = time
time saved = intially time utilized - finally time utilized
final time = 1km/[(18km/h)+(6km/h)]
= 1/24 hour
intial time = 1km/18km/h
= 1/18 hour
time saved = 1/18 -1/24 hour = 6/(18*24) hour
= 1/72 hour
=3600/72 sec
= 50 sec
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