Direction: In each of the following questions, five/four words/number are given, out of which four/three are same in one way or the other and the fifth/fourth one is different from these four/three. Select the odd one.
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NA
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- 217
- 143
- 241
- 157
Correct Option: B
Except '143', all others are of the form 12 n + 1 but 143 is of the form 12 n - 1, where n is a natural number.
