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

Statistics and Probability: JEE Main 2023 Mathematics question

JEE Main 2023 · 12 Apr, Morning shift · Q5005

JEE Main 202312 Apr, Morning shiftMathematicsHardStatistics and Probability258× since 2002

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 :