Question
Mathematics Question on Probability
Tetrahedral dice having outcomes (1, 2, 3, 4) has 3 outcomes a, b, c (which are visible). Probability that ax2 + bx + c = 0 has real roots is m/n (m, n are coprime), then m + n =?
A
4
B
5
C
6
D
7
Answer
5
Explanation
Solution
The Correct answer is option is (B) : 5