find odd man out: (1).2651. (2). 2246.(3).5324.(4).6215
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Answer:
Given numbers: 2651,2246,5324,6215
Divisibility rules of 11.
If the difference between the sum of digits in odd places from right to left of a number is a multiple of 11 or equal to zero, then the given number is divisible by 11
1. 2651
- sum of digits in odd places=
1+6 = 7
- sum of digits in even places=
5+2 = 7
Now, 2651 divisible by 11.
2. 2246
- sum of digits in odd places=
6+2 = 8
- sum of digits in even places=
4+2 = 6
Hence difference= 8-6 = 2
(2246 is not divisible by 11)
3. 5314
- sum of digits in odd places=
4+3 = 7
- sum of digits in even places=
5+1 = 7
Hence, 5314 is divisible by 11
4. 6215
- sum of digits in odd places=
5+2 = 7
- sum of digits in even places=
6+1 = 7
Hence, 6215 is divisible by 11
Therefore.....
Odd man
2246 is not divisible by 11.
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