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Study the following arrangement carefully and answer the question given below. A B 7 C D 9 Z Y * P Z M © K S 3 ↑ 5 N T @
How many such digits are there in the sequence each of which is immediately preceded as well as followed by a letter?
There are two digits 7 and 9 which satisfy the condition.
7 is preceded by B and followed by C
9 is preceded by D and followed by Z
These are the only two digits which satisfy the condition.
Other digits-3 and 5 don't satisfy the condition.
So, correct answer is option D.