Solution
Equation : $$x^2 - 25x + 156 = 0$$
=> $$x^2 - 12x - 13x + 156 = 0$$
=> $$x(x - 12) - 13(x - 12) = 0$$
=> $$(x - 12)(x - 13) = 0$$
=> $$x = 12 , 13$$
=> Ans - (A)
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