If any two letters in the word 'PRISON' have as many letters between them in the word as there are in the English alphabet, they form an alpha-pair. How many such alpha-pairs are there in the word 'PRISON' ?
Option:
A. Nil
B. 1
C. 2
D. 3
E. More than 3
Answer: E . More than 3
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Justification:
| Letters in the word | Letters in the alphabet |
| P R I S | P Q R S |
| R I S O | R Q P O |
| R I S O N | R Q P O N |
| O N | O N |
