a car takes 30 minutes to travel from town A To Town b if it travels at the speed of 50 kilometre per hour if its speed is increased by 20% how long will it take to travel from town A To Town b
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A toB time taken 30 min with speed 50kmph
spped increases by 20% i.e 60kmph
therefore,speed=distance/time
60=1500/t
t=25hrs
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