Direction: In each of the following questions, four/five options are given. Out of these, there/four are alike in a particular way but remaining one is different. Find the odd one from the given options which is different from others.
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NA
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- 272
- 210
- 240
- 304
Correct Option: C
∴ 272 = 2 + 7 + 2 = 11
210 = 2 + 1 + 0 = 3
240 = 2 + 4 + 0 = 6
304 = 3 + 0 + 4 =7
The sum of digit of all numbers except 240 is a prime number, whereas sum of digits of the number 240 is a non-prime. Hence, it is different from all others.