Select the odd word/letters/number/word pair/number pair from the given alternatives.
Sum of digits,
1 + 3 + 5 = 9
3 + 5 + 7 = 15
2 + 4 + 6 = 12
5 +Â 7 +Â 9 = 21
Except the 246 remaining all numbers have the sum of the digits is odd.
So, odd number is 246.Â
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