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ഒറ്റയാനെ തിരഞ്ഞെടുക്കുക :

A17

B19

C21

D23

Answer:

C. 21

Read Explanation:

17,19,23 are prime numbers.


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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.)