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what is the largest possible integer n for which 3^n divides 44^44??

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TCS Other Question

A child was looking for his father he went 90 mt east before turning to his right.He went 20 mts before turnig to his right again to look for his father at his uncles place 30 mts from this pointhis faher was not there from here he went 100 mts to the north before meeting his father in the street.How far did the son meet his father from the starting point? The least number that must be subtracted from 63520
to make the result a perfect square, is