Complete the series: 8, 6, 7, 5, 6, 4, ______?
- 3
- 9
- 5
- 7
Explanation
Step 1: Identify the pattern
Observing the alternating pattern:
- 8 → 6 (-2)
- 6 → 7 (+1)
- 7 → 5 (-2)
- 5 → 6 (+1)
- 6 → 4 (-2)
Step 2: Find the next term
- The pattern alternates between -2 and +1.
- Since the last operation was -2, the next operation should be +1.
- 4 + 1 = 5
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