Question
Select the number from among the given options that can
replace the question mark (?) in the following series. 16, 35, ?, 217, 653, 1309Solution
(16 x 2) + 3 = 32 + 3 = 35 (35 x 3) + 2 = 105 + 2 = 107 (107 x 2) + 3 = 214 + 3 = 217 (217 x 3) + 2 = 651 + 2 = 653 (653 x 2) + 3 = 1306 + 3 = 1309
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