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Question

Complete the series.
7, 14, 12, 24, 22, ?

This question was previously asked in
SSC CGL 2025 Tier 1 Question Paper (25-Sep-2025) (Shift 3)
The correct answer is
44

The question asks to find the missing number in the given series: 7, 14, 12, 24, 22, ?

Series Pattern Analysis

To find the missing number, we need to identify the pattern governing the series. Let's examine the relationship between consecutive terms:

  • The first term is 7. The second term is 14. The operation is multiplication by 2: $7 \times 2 = 14$.
  • The second term is 14. The third term is 12. The operation is subtraction by 2: $14 - 2 = 12$.
  • The third term is 12. The fourth term is 24. The operation is multiplication by 2: $12 \times 2 = 24$.
  • The fourth term is 24. The fifth term is 22. The operation is subtraction by 2: $24 - 2 = 22$.

Applying the Pattern

The identified pattern alternates between multiplying the current number by 2 and subtracting 2 from it. The sequence of operations is: $\times 2$, $- 2$, $\times 2$, $- 2$. To find the next term in the series, we apply the next operation in the pattern, which is multiplication by 2, to the last given term (22).

Calculation: $22 \times 2 = 44$.

Therefore, the missing number in the series is 44.

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