In the following question, select the missing number from the given series.
21, 22, 34.5, 71, 180, 543, ?
The logic here is
21 x 1 + 1 = 22
22 x 1.5 + 1.5 = 34.5
34.5 x 2 + 2 = 71
71 x 2.5 + 2.5 = 180
180 x 3 + 3 = 543
Similarly, the next number in the series = 543 x 3.5 + 3.5 = 1904
$$\therefore\ $$The missing number in the series = 1904
Hence, the correct answer is Option D
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