General Studies · Classification (Odd One Out)
In each of the following number-pairs, the second number is obtained by performing a certain mathematical operation on the first number. Three of the pairs follow the same pattern and form a group. Select the number-pair that does NOT belong to that group.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 13 : 12
- 214 : 220✓
- 311 : 132
- 45 : 30
Correct answer
14 : 220
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