Question Paper from: IBPS RRB PO Prelims 2017

If 1 is subtracted from each odd number and 2 is added to each even in the number 9436527, then how many digits will appear twice in the new number thus formed? 

1:
Only 8
2:
Only 8 and 6
3:
8, 6 and 4
4:
2, 4 and 6
5:
None of these
Solution:
Chapter Name: Sequence

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IBPS RRB PO Prelims 2017

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