MBA Exam

Answer the questions on the basis of the information given below.From a point D outside a circle, two tangents DA and DB are drawn as shown in the figure given below. It is also given that AC = CB, where point C lies on the given circle, AB = 2 cm and the measure of ∠ACB is 30°.The distance (in cm) between the incenter of the triangle ABD and point C is

1) 4
2) 2sqrt(3)
3) 3sqrt(2)
4) 5
5) 6

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MBA Other Question
f (x) = (x − a)^3 + (x − b)^3 + (x − c)^3 , a < b < c.The number of real roots of f (x) = 0 is

1) 3
2) 2
3) 1
4) 0
 The expression f(x) is cubic in x in which coefficient of x^3 is 1. If f(1)=5, f(2)=8, f(3)=11, find f(4)?

1) 14
2) 20
3) 22
4) 26