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ഒറ്റയാനെ തിരഞ്ഞെടുക്കുക :

A17

B19

C21

D23

Answer:

C. 21

Read Explanation:

17,19,23 are prime numbers.


Related Questions:

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.)
Select the odd one from the given alternatives:
Select the odd word from the given alternatives
Find the wrong number in the given series 13, 24, 29, 39, 44, 54, 61, 69
Choose the word which is least like the other words in the group.