MBA Exam

If the polynomial x3 – 2x2 – 1 has roots A, B and C, what is the value of

1) -2
2) -1.5
3) -1
4) -0.5

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MBA Other Question
Ramu has taken Rs.300 from Hari as loan. Hari gave him 50 months to pay back the money with interest. But in each month Ramu had to pay back Rs. f(x) where n is the number of months and f(x) defined as follows.What is the rate of simple interest?

1) 50%
2) 67.27%
3) 29.12%
4) 65.52%
 If are roots of the equation x 2- px + q = 0 andare the roots of the equation

1) pqx2 - pqx + p2 + q2 + 4pq = 0
2) p2q2x2 - p2q2x + p3 + q3 - 4pq = 0
3) (p+q)x2 - (p+q)x + p2 + q2 + pq = 0
4) p2q2x2 + p2q2x + p3 + q3 = 0