Re: ISI - Difficult Maths Questions!!

Posted by Ridhika on May 05, 2014; 7:31am
URL: http://discussion-forum.276.s1.nabble.com/ISI-Difficult-Maths-Questions-tp7588583p7588591.html

So after prime factorization how do you count all the combinations of prime factors to count the # of non prime factors ?

How did you approach q3?

----- Reply message -----
From: "Vaibhav Garg [via Discussion forum]" <ml-node+[hidden email]>
To: "Ridhika" <[hidden email]>
Subject: ISI - Difficult Maths Questions!!
Date: Mon, May 5, 2014 12:55 PM

For q3 I am getting last digit as 9
And for q4...there r 40 divisors including 6000 and 1( I used prime factorisation)

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