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Choose the odd one.

A23

B29

C37

D51

Answer:

D. 51

Read Explanation:

Option 1 → 23 is a prime number. Option 2 → 29 is a prime number. Option 3 → 37 is a prime number. Option 4 → 51 is not a prime number, it is divisible by 3 and 17.


Related Questions:

Choose the number which is different from others in the group

ഇനിപ്പറയുന്ന സംഖ്യാ ശ്രേണിയിൽ, ഒരു തെറ്റായ സംഖ്യ നൽകിയിരിക്കുന്നു. തെറ്റായ സംഖ്യ കണ്ടെത്തുക.

3, 5, 13, 53, 177, 891

In the following question, select the odd word from the given alternatives.
In the following question, select the odd number from the given alternatives

Based on the English alphabetical order, three of the following four letter-clusters are alike in a certain way and thus form a group. Which letter-cluster DOES NOT belong to that group?

(Note: The odd one out is not based on the number of consonants/vowels or their position in the letter-cluster.)