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
- What will come in place of the question mark (?) in the following series?
?, 162, 54, 18, 9, 3 3   2    10   ?   17   16
60   61    57   66    ?      75    39
...10, 10, 15, 30, 75, ?
45, ?, 84, 114, 151, 195
What will come in place of the question mark (?) in the following series?
5, 14, 41, 122, 365, 1094, ?
1, 6, 27, 124, ?, 3906, 27391
...43          86          258        ?             5160                     30960
...5 6 15 40 89 170 ?
...- What will come in place of (?) in the given number series.
3, 9, 15, 21, ?, 33