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Answer

Correct Option is 8

Solution:
Logic:
Step I: Add 1 in even valued digit and subtract 1 in odd valued digit of each number.
Step II: Difference between two adjacent numbers.
Step III: Multiplication of numeral value of all digits of each number.
Step IV: Sum of two adjacent number.
Step V: Sum of the numeral value of all digits of each number.

3rd number from left in step III=72; 2nd number from right in final step=9; so, resultant=72÷9=8

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