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Find the odd number in the group : 3 , 5 , 7, 9

A3

B5

C7

D9

Answer:

D. 9

Read Explanation:

9 is not a prime number


Related Questions:

ഒറ്റയാനെ തിരഞ്ഞെടുക്കുക.
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.)
ചുവടെയുള്ള സംഖ്യകളിൽ വ്യത്യസ്തമായത് ഏത് ?
ഒറ്റയാനെ കണ്ടെത്തുക.
Choose the odd one. Three of them are alike in a certain way while one is different