Aspire Faculty ID #17231 · Topic: AMU MCA 2020 · Just now
AMU MCA 2020

Choose the correct alternative:

7, 15, 32, __, 138, 281

Solution

Pattern: ×2 + increasing numbers

7 × 2 + 1 = 15

15 × 2 + 2 = 32

32 × 2 + 3 = 67

67 × 2 + 4 = 138

138 × 2 + 5 = 281

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