Math Puzzle

Test ur IQ

If
5 + 3 = 28
9 + 1 = 810
8 + 6 = 214
5 + 4 = 19

Then
7 + 2 = ?
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Ans:
59
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Exp:
Substract 2nd from 1st, you'll get one no. Add both numbers, you'll get another no.