MBA Exam

a, b, and c are the lengths of the three sides of a scalene triangle. The quadratic equation, 3(a + b + c)x2 + 5 a2x + 2 a2k2 (a + b + c) = 0 has distinct and real roots. Which of the following is a possible value of k ?

1) 0
2) 1
3) +Â½
4) None of these
5) More than one value

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MBA Other Question

The ratio of the present ages of Bini and Coral is the same as the ratio of the ages of Anu and Bini six years ago. Coral, six years from now, will be as old as Anu was six years ago. If the present ages (in years) of exactly two of them are perfect squares, then which of the following can be the sum of the present ages of the three?(a) 27 years (b) 30 years (c) 36 years (d) 48 years

1) A
2) B
3) C
4) D
a,b,c and d are positive numbers such that b^9 = a^8, c^6 = d^7 and d-b = 473, then find c-a

1) 1675
2) 1565
3) 1735
4) Cannot be determined