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Correct Option is 77

Solution:Using step 2 in first row 9+10=19
First row becomes = 19 8
Now, applying step1 the resultant of first row becomes 19-8= 11
Similarly using step 4 in second row 16-3=13
Second row becomes= 13 6
Now, applying step 1 the resultant of second row becomes 13-6= 7
So, the product of the resultant of first row and second row = 11×7=77

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