problem 255 mathcounts

Mathematics
Tutor: None Selected Time limit: 1 Day

A number n is randomly chosen from the set {1, 2, 3, ..., 24, 25}. What is the probability that the equation x^2+nx+24=0 has two integer solutions? Express your answer as a common fraction.

Oct 19th, 2014

Ans is 4/25.

Oct 19th, 2014

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