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ഒറ്റയാൻ ഏത് ? 61,71,41,91

A61

B71

C41

D91

Answer:

D. 91

Read Explanation:

91 is not a prime number


Related Questions:

Four number-pairs have been given, out of which three are alike in some manner and one is different. Select the one that is different.
In the following question, select the odd number from the given alternatives.
ഒറ്റയാനെ കണ്ടെത്തുക
Choose out the odd one:
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.)