Question
15, 8, 9, 20,
? A series is given in which one term is missing, choose the correct alternate from the given options to complete the series.Solution
15 x 0.5 + 0.5 = 8 8 x 1 + 1 = 9 9 x 2 + 2 = 20 So, 20 x 4 + 4 = 84
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