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 pairs.

• A. 16 - 32
• B. 24 - 48
• C. 36 - 72
• D. 32 - 66