Two dice A and B are rolled. Let the numbers obtained on A and B be … and … respectively. If the variance of … is …, where … and … are co-prime, then the sum of the positive divisors of … is equal to :

Probability

JEE Main 2023 · 12 Apr, Morning shift · Q5005

MathematicsHard75×since 2002Q5005

Two dice A and B are rolled. Let the numbers obtained on A and B be

\alpha

and

\beta

respectively. If the variance of

\alpha-\beta

\frac{p}{q}

, where

p

and

q

are co-prime, then the sum of the positive divisors of

p

is equal to :