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

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1.	If 1 is subtracted from each odd digit and 1 is added to each even digit then which of the following numbers in the newly formed sequence will be the second highest?
A.	563
B.	218
C.	732
D.	491
E.	924
Answer» D. 491

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