Question
Select the number from the given options that can
replace the question mark [?] in the given series. 15, 24, 35, 48, 63, 80, ?Solution
The logic followed here is as follows: 15 + 9 = 24 24 + 11 = 35 35 + 13 = 48 48 + 15 = 63 63 + 17 = 80 80 + 19 = 99 So, 99 will replace the question mark in the given series.
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