1.

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

A. 228
B. 216
C. 294
D. 192
Answer» C. 294


Discussion

No Comment Found