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Find the odd one out from the following :

A169

B279

C441

D625

Answer:

B. 279

Read Explanation:

Others have perfect square root value


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Based on the English alphabetical order, three of the following four letter-cluster pairs are alike in a certain way and thus form a group. Which letter-cluster pair 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 number from the given alternatives.
Choose the odd pair of words: