Four number-pairs are given out of which three are alike in a certain

1.	Four number-pairs are given out of which three are alike in a certain way and one is different. Select the number-pair that is different from the rest.1. 20 : 1002. 30 : 2203. 38 : 3614. 6 : 9
Answer» Correct Answer - Option 2 : 30 : 220 The pattern followed is: Option 1 → 10 × 2 : 10² Option 2 → 15 × 2 : 15²is 225, not 220 Option 3 → 19 × 2 : 19² Option 4 → 3 × 2 : 3² All follow the same pattern except, '30: 220' Hence, '30: 220' is the correct answer.

Four number-pairs are given out of which three are alike in a certain way and one is different. Select the number-pair that is different from the rest.1. 20 : 1002. 30 : 2203. 38 : 3614. 6 : 9

Answer» Correct Answer - Option 2 : 30 : 220

The pattern followed is:

Option 1 → 10 × 2 : 10²

Option 2 → 15 × 2 : 15²is 225, not 220

Option 3 → 19 × 2 : 19²

Option 4 → 3 × 2 : 3²

All follow the same pattern except, '30: 220'

Hence, '30: 220' is the correct answer.