Question : Direction: In the following question, select the one that is different from other three alternatives.
Option 1: 240
Option 2: 304
Option 3: 272
Option 4: 210
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Correct Answer: 240
Solution : Let's check the options —
First option:
240
Add the digits → 2 + 4 + 0 = 6;
6 is not a prime number → Hence, it's the odd one out.
Second option:
304
Add the digits → 3 + 0 + 4 = 7;
7
is a prime number.
Third option:
272
Add the digits → 2 + 7 + 2 = 11;
11
is a prime number.
Fourth option:
210
Add the digits → 2 + 1 + 0 = 3;
3
is a prime number.
Hence, the first option is correct.
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