A) 224
B) 280
C) 324
D) None of these
Correct Answer: A
Solution :
The number will be even if last digit is 2, 4, 6 or 8 i.e., the last digit can be filled in 4 ways and remaining two digits can be filled in \[^{8}{{P}_{2}}\] ways. Hence required number of numbers are\[^{8}{{P}_{2}}\times 4=224\].
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