Correct option is B
Given: Add 1 to each odd digit and subtract 2 from each even digit in the number 53478231. Then, find the sum of the digits at positions second from the left and second from the right.
Identify and process each digit:
For odd digits, add 1.
For even digits, subtract 2.
Original number: 5 3 4 7 8 2 3 1
Apply transformations:
5 (odd): 5+1=6
3 (odd): 3+1=4
4 (even): 4−2=2
7 (odd): 7+1=8
8 (even): 8−2=6
2 (even): 2−2=0
3 (odd): 3+1=4
1 (odd): 1+1=2
Transformed number: 6 4 2 8 6 0 4 2
Identify the relevant positions:
The second digit from the left: 4
The second digit from the right: 4
Calculate the sum: 4+4=8
Correct answer: (8)
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