If 2 is added to each even digit and 1 is subtracted from each odd digit in the number 321754, then which number/numbers are repeated more than once?

If 2 is added to each even digit and 1 is subtracted from each odd dig

1.	If 2 is added to each even digit and 1 is subtracted from each odd digit in the number 321754, then which number/numbers are repeated more than once?
A.	Only 4
B.	Both 4 and 6
C.	4, 6, 8
D.	Only 6
E.	None
Answer» C. 4, 6, 8

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If 2 is added to each even digit and 1 is subtracted from each odd digit in the number 321754, then which number/numbers are repeated more than once?

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