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Question 50
Select the number that can replace the question mark (?) in the following series.
3, 7, 22, 89, ?
Solution
The pattern is,
$$3 \times 2 + 1 = 7$$
$$7 \times 3 + 1 = 22$$
$$22 \times 4 + 1 = 89$$
$$89 \times 5 + 1 = 446$$
Therefore the answer is option D 446.
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