please answer Q. 3.9
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shrava28:
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see it's relative speed concept...consider v to be speed of bus...then if you consider speed of cycling man to be 20-v then in that case you may assume the bus to be in rest..now,do one thing,(20-v)*18min {convert min to hr.}is the distance when 1st time cycle will meet the bus coming from opposite direction..then go on for next 18 minutes,and similarly for bus in same direction with 6min meet time....I think you can think next
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