Question
If 236 = 33, 487 = 57, 6391 = 57, then 851 =
?Solution
The logic followed here is as follows: The sum of all the digits of the number, and then the sum is multiplied by '3'. For 236 = 33: 2 + 3 + 6 = 11Ă—3 = 33 For 487 = 57: 4 + 8 + 7 = 19 Ă— 3 = 57 For 6391 = 57: 6 + 3 + 9 + 1=19 Ă— 3 = 57 Similarly, for 851 = ?: 8 + 5 + 1 = 14 Ă— 3 = 42
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