Question
Select the number from the given options that can
replace the question mark [?] in the given series. 115, 128, 143, 160, 179, 200, ?Solution
115 + 13 = 128 128 + 15 = 143 143 + 17 = 160 160 + 19 = 179 179 + 21 = 200 200 + 23 = 223
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