Question
If 23 @ 18 = 9 and 29 @ 24 = 21', then 24 @ 19 = ?'.
What will come in place of question mark?Solution
23 x 18 = 414; 4 + 1 + 4 = 9 29 x 24 = 696; 6 + 9 + 6 = 21 24 x 19 = 456; 4 + 5 + 6 = 15
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