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Re: quiz problem./....Number system..another question
by shelly verma - Monday, 16 November 2015, 07:16 PM
  hi ,

In order to get 45 in both the terms of a pair , 21600 should contain two 45's and here 21600 contain only one 45 ..
 (45a , 45b ) =21600 where a,b are co primes .

I cannot proceed from here . Pls. help