Question
17Â Â Â Â 18Â Â Â Â Â Â 14 Â Â Â Â Â Â ?Â
     7       32 What should come in place of question mark ‘?’ in the following number series?Solution
17Â +Â 12Â = 18 18Â -Â 22Â = 14 14Â +Â 32Â =Â 23 23Â -Â 42Â = 7 7Â +Â 52Â = 32
What should come in place of (?) question mark in the given number series.
81, 73, 66, 60, 55, ?
14 6 4 4 ? 48
...What should come in place of (?) question mark in the following number series.
5, 11, 23, 47, 95, ?
In each of the following number series, one term is missing. Find the missing term.
1, 4, 9, 16, 25, ?
What will come in place of the question mark (?) in the following series?
4, 11, 32, 95, 284, 851, ?
156, 182, 210, 240, 272, ?
31    32      35      ?      47       56
...What should come in place of (?) question mark in the following number series.
1, 2, 6, 24, 120, ?
What value should come in the place of (?) in the following number series?
71, 72, 76, 103, ?, 244254, ?, 1022, 1150, 1214, 1246