Question
If 9732 = 69 and 8248 = 48, then 7927 =?
Solution
(9 × 7) + (3 × 2) = 63 + 6 = 69 (8 × 2) + (4 × 8) = 16 + 32 = 48 Similarly, (7 × 9) + (2 × 7) = 63 + 14 = 77
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