Q. 84.5( 49 Votes )

At t min past 2 p

Answer :

Time (in minutes) taken by the minute hand to travel from 2 pm to 3 pm = 60 minutes

According to question,



4(60 - t) = t2 - 12


240 - 4t = t2 - 12


t2 + 4t – 252 = 0


Using the quadratic formula,






The required value of t is 14 mins. (* Time cannot be negative)


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