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find the missing number in the attached matrix : 3 442 7 4 612 5 2 721 ? ans : 8

find the missing number in the attached matrix :
3  442  7
4  612  5
2  721  ?
ans  : 8

Grade:12th pass

1 Answers

Harishwar IIT Roorkee
askIITians Faculty 50 Points
8 years ago
3 442 7
4 612 5
2 721 ?

The sum of first number and last number is equal to sum of numbers in the middle number so 7+2+1=10 2+8 = 10
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