Comprehension Passage
Read the data carefully and answer the following questions.
I: p2 − qp − 6r = 0
II: p2 − (3q+2)p + 6r = 0
The roots of Equation I are 's' and '-6', while the roots of Equation II are 's' and '6'.
If the equation whose roots are q and r is p2 − 13p + 36 = 0, then the value of s2 − q2 is completely divisible by:
1
25
2
9
3
15
4
81
5
20