Number series (concatenated odd pairs): Continue the side-by-side odd-number progression.
Given sequence: 13, 35, 57, 79, 911, ?
Identify the next concatenated pair of consecutive odd numbers.
Choose the correct value.
Difficulty: Easy
Correct Answer: 1113
Explanation:
ObservationEach term is formed by writing two consecutive odd numbers side by side:
1 and 3 → 13
3 and 5 → 35
5 and 7 → 57
7 and 9 → 79
9 and 11 → 911
Next pair11 and 13 → 1113
Common pitfallsInterpreting 911 as a single pattern jump; it is 9 concatenated with 11.
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