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QUESTION
Q
Find out the wrong number in the number series:
4, 2.5, 3.5, 6.5, 15.5, 41.25, 126.75
Solution
The pattern of the number series is:
4 × 0.5 + 0.5 = 2.5
2.5 × 1 + 1 = 3.5
3.5 × 1.5 + 1.5 =...
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