Find the odd one out from the given responses?
A21
B41
C51
D91
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Related Questions:
Identify the number- pair that is different from the rest?
താഴെ കൊടുത്തിട്ടുള്ളവയിൽ വേറിട്ടു നിൽക്കുന്നത് ഏതാണ്?
Three of the following four number-pairs are alike in a certain way and one is different. Find the odd one out.
Four pairs of numbers have been given, out of which three are alike in some manner, while one is different. Choose out the odd one.
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