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The logic used here is: The difference between the second number and the first number in each pair should be 111. Option 1: (123, 234) → 234 - 123 = 111. This follows the logic. Option 2: (345, 456) → 456 - 345 = 111. This follows the logic. Option 3: (567, 729) → 729 - 567 = 162. This does not follow the logic. Option 4: (678, 789) → 789 - 678 = 111. This follow the logic. Hence, option 3 is the odd one out.
16 17 25 ? 99 180
...73920, 9240, ?, 220, 44, 11
2, 17, 147, 1167, 8157, 48957
398 308 228 158 98 ?
31 35 60 124 ? 441
...32, ?, 41, 68, 132, 257
...What will be the next number in the series?
2, 7, 23, 70, ?
95 216 72 241 ? 270
2, A, 9, B, 6, C, 13, D, ?
3 4.5 6.75 10.125 15.1875 22.78125 ?
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