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The series 1, 4, 8, 11, 22, 25, ? alternates between two operations. What is the next term?

Competition practiceAlphanumeric / Series

A50
B28
C47
D44

Step-by-Step Solution

The steps alternate +3 and ×2:

1 + 3 = 4, \times 2 = 8, + 3 = 11, \times 2 = 22, + 3 = 25, \times 2 = 50

.

Answer: A) 50

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