While solving an age problem

MATHEMATICS · Subjective · CBSE · Mathematics · Quadratic Equations · Quadratic Equations

Problem

While solving an age problem, the quadratic equation

t^2 - 5t - 24 = 0

is obtained for the present age

t

of a child. The two roots are

t = 8

and

t = -3

. Identify the valid present age of the child and state one reason for rejecting the other value.