Question

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 $\frac{p}{q}$, where p and q are coprime, then the sum of the positive divisors of p is equal to

• A. 31
• B. 36
• C. 48
• D. 72

Answer 1

Answer: (C)

48

Answer 2

The correct option is(C): 48