railway RRB ALP (CBT 1 + CBT 2 + CBAT) Mock Test Series 2025 (New) Logical Reasoning Arrangement and Pattern Number Arrangement
If 2 is multiplied to each odd digit and 1 is added to each even digit in the number 6311624, what will be the difference between the largest of the digits and the smallest of the digits thus formed ?
1
6
2
3
3
5
4
4