From a bus terminus a bus starts after every 15 min. A cyclist moving with the speed of 15 km/hr towards the bus terminus observed that after every 12 min a bus crosses him. Find the speed of the bus?

1 Answer

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let the ,distance b/w two buses be x then speed of the bus will be we can write
dist. covered by bus+dist. by cycl.=x or
4x*12/60+15*12/60=x solving this we wil get x=15km so us speed will e 60km/hr.
answered Sep 8, 2014 by gaurav kumar