MBA Exam

How many 6 digit no. contain 4 diff digits ?plz... explain the process.

1) 4536
2) 294840
3) 191520
4) non

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MBA Other Question

What is the remainder when (22^33 + 10^35) is divided by 45?

1) 8
2) 11
3) 2
4) None of these
The odds in favor of standing first of 3 students Amit, Vikas & Vivek appearing at an examination are 1:2, 2:5 ans 1:7 respectively. What is the probability that either of them will stand first( assume that a tie int he first place is not possible). plzz help on this guys...

1) 168/178
2) 122/168
3) 5/168
4) 125/168