Look at this series: 7, 10, 8, 11, 9, 12, ... What number should come next?
Show Hint
- 7
- 10
- 12
- 13
The Correct Option is B
Solution and Explanation
Alternating number series.
Step 2: Analysis
The pattern alternates between adding 3 and subtracting 2:
7 (+3) = 10; 10 (-2) = 8; 8 (+3) = 11; 11 (-2) = 9; 9 (+3) = 12.
Step 3: Conclusion
The next step is to subtract 2: 12 - 2 = 10.
Final Answer: (B)
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