If x - 2 is a factor of x3 - kx - 12, then the value of k is :
3
2
-2
-3
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In the given diagram, RT is a tangent touching the circle at S. If ∠PST = 30° and ∠SPQ = 60° then ∠PSQ is equal to :
40°
30°
60°
90°
If 3 is a root of the quadratic equation x2 - px + 3 = 0 then p is equal to :
4
5
