Question
If 3927 = 41 and 4284 = 40, then 2972
=?Solution
(3 × 9) + (2 × 7) = 27 + 14 = 41 (4 × 2) + (8 × 4) = 8 + 32 = 40 Similarly, (2 × 9) + (7 × 2) = 18 + 14 = 32
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