MBA Exam

There are 12 round similar beads and 2 cubic beads of the same colour. They are used to form a necklace. Find the number of different ways by which necklace can be made?

1) 8
2) 7
3) 6
4) 5
5) 10

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MBA Other Question

If the roots of the equation x^3 - ax^2 + bx - c = 0 are 3 consecutive integers, what is the smallest possible value of b

1) - 1/rt(3)
2) -1
3) 0
4) 1
5) 1/rt(3)
For how many values of â€˜aâ€™ are x log a, y log 2a and z log 3a in arithmetic progression? (x, y, z and a are natural numbers.)

1) 0
2) 1
3) 2
4) more than 2