MBA Exam

A Professor has N questions and he has to set different question papers for different students. These papers have at least one question. How many questions will he need to have in order set different papers for 200 students?(please provide with a proper solution..ty)

1) 7
2) 8
3) 21
4) cannot be determined

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MBA Other Question

N=123123.......300 digits .Find the remainder when N is divided by 504?

1) 35
2) 412
3) 1
4) None of these
How many factors of the given number are even?[2 × 4 × 6 × 7 × 9 × 11 × 13 × 15 × 23]

1) 1380
2) 512
3) 800
4) 640
5) None of these