The position of how many letters will remain unchanged if each of the letter in the word 'POCKET' is arranged in alphabetical order?
The correct answer is D
687, 666, 635, 594, 543, 480
154 165 143 175 132 187
...18 45 90 235 450 1125 2250
...547, 594, 640, 691, 741, 792
164, 141, 122, 105, 92, 80
174 180 198 252 414 910
1024 3072 384 1152 145 432
124, 128, 117, 135, 110, 146
97, 98, 107, 132, 181, 264
11, 1341, 3070, 5267, 8011, 11386
