Q:

In the following question, four number pairs are given. The number on left side of (–) is related to the number of 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 given alternatives.

• 1
  20 – 30
• 2
  35 – 45
• 3
  45 – 55
• 4
  25 – 30