Find the next number in the sequence: 9, 54, 12, 50, 15, ?
Answer and explanation
Correct answer: D. 46
- Step 1: The sequence is two patterns taken alternately: 9, 12, 15 (adding 3) and 54, 50 (subtracting 4).
- Step 2: The next term continues the second pattern: .
Answer
46.
Why not the others: 18: it continues only the rising pattern. 53: the two patterns are mixed.
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