MBA Exam

If A and B are the roots of the equation x^2 -x +1 =0,then the value of A^16 -B^32 is :

1) 1
2) -1
3) 0
4) 2

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MBA Other Question

There are 165 questions in an exam.1 mark is awarded for every correct answer and 1/3 deducted for every incorrect answer.,how many different set of net scores are possible?

1) 661
2) 650
3) 658
4) 660
How many factors of N=1020 will be divisible by 5 but not by 15?

1) 6
2) 3
3) 12
4) 0
5) 2