Comprehension Passage
Directions: Answer the questions based on the information given below.
Consider the three following missing number series I, II, and III.
Series I: 8, p, 2.5, 3, 8, 56
Series II: 29, 28, 25, 20, 13, q
Series III: r, 9, 30, 124, 625, 3756
If p, q, r, and s are roots of the equation x4 - 13x3 + mx2 - nx + k = 0 then find the value of 'k'?
1
49
2
50
3
98
4
100
5
147