Question
How many pairs of letters are there in the word
‘OLIGOPOLY’ which has as many letters between them (both forward and backward direction) in the word as in the English alphabetical series?Solution
There are four pairs 'LO', 'LP', 'OP, 'OP' and 'LO' in the word ‘OLIGOPOLY’, which have as many letters between them (both forward and backward direction) in the word as in the English alphabetical series.
230, 34.5, ‘?’, 0.77625
3 2 2 3 8 ?
...41 48 89 137 226 ?
...6 10 ? 210 1672 16710
...77 ? 190 257 331 412
...351Â Â Â 261Â Â Â 181Â Â Â 111Â Â Â 51Â Â Â ?
10                          15                          ?                    �...
3Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 5Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 7Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 25Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 8...
7, 8, 12, 21, 37, ?
16 23 31 40 50 61 ?
...