Interleaved arithmetic progressions (+11): find the missing term in the two intertwined sequences. Series given: 13, 32, 24, 43, 35, ?, 46, 65, 57, 76 Observe that odd and even positions each form an AP with common difference +11. Compute the missing value at the 6th position.
Verbal Reasoning
Series Completion
Difficulty: Easy
Choose an option
-
A45
-
B52
-
C54
-
D55
Answer
Correct Answer: 54
Explanation
Split positions
- Odd positions: 13, 24, 35, 46, 57 → add 11 each time.
- Even positions: 32, 43, ?, 65, 76 → also add 11.
Compute 32 → 43 (+11) → 54 (+11) → 65 (+11) → 76.