Question : Directions: In the following question, find the odd number pair in the given alternatives.
Option 1: 11 – 110
Option 2: 9 – 72
Option 3: 7 – 42
Option 4: 5 – 30
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Correct Answer: 5 – 30
Solution : Let's check the options – First option: 11 – 110 → 11 × (11 – 1) = 11 × 10 = 110 Second option: 9 – 72 → 9 × (9 – 1) = 9 × 8 = 72 Third option: 7 – 42 → 7 × (7 – 1) = 7 × 6 = 42 Fourth option:: 5 – 30 → 5 × (5 – 1) = 5 × 4 = 20 ≠ 30
So, the fourth option does not follow the pattern. Hence, the fourth option is correct.
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