MBA Exam

How many 3 digit numbers can be formed by the digits 0,1,1,2,2,215101412

1) 1
2) 2
3) 3
4) 4

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MBA Other Question

Let S be the set of 5 digit numbers formed by the digits 1,2,3,4 and 5, using each digit exactly once such that exactly two odd positions are occupied by odd digits. What is the sum of the digits in the rightmost position of the numbers in S?

1) 228
2) 216
3) 294
4) 192
rem: (7^50)/90post solution too

1) 1
2) 7
3) 49
4) 243