In the following question, four number pairs are given. The number on left side of (-) is related to the number on the right side of (-) with some Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the
The second number is double the first number.
$$21\times2=42$$
$$23\times2=46$$
$$31\times2=62$$
$$33\times2=66\neq69$$
=> Ans - (D)
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