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# The set of values of x for which the inequalities $x^2-3x-10 < 0, 10 x - x^2 -16 >0$ hold simultaneously, is

$\begin {array} {1 1} (a)\;(-2,5) & \quad (b)\;(2,8) \\ (c)\;(-2,8) & \quad (d)\;(2,5) \end {array}$