Answer : 4 8 Explanation : Answer: D) 8 Explanation: Given number series follows a pattern that,22 x 1.5 1 = 44 x 1.5 1 = 7 (not equal to 8)7 x 1.5 1 = 11.511.5 x 1.5 1 = 18.2518.25 x 1.5 1 = 28.375 Hence, the odd number in the given number series is 8.

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