Question
What will come in place of the question mark (?) in the
following series? 1223, ?, 1308, 1553, 1393, 1638Solution
ATQ, The given series follows the following pattern: (Alternate addition and subtraction of 245 and 160 respectively) . 1223 + 245 = 1468 1468 - 160 = 1308 1308 + 245 = 1553 1553 - 160 = 1393 1393 + 245 = 1638
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