WBPSC 2019 Solved Paper

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Question : 92 of 200
 
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δ = β F 2 * K S 7 5 # $ P L V S @ M U E 6 ↑ Q G © 9 3 & T Y £ 
How many such letters are there in the arrangement each of which is either immediately preceded by a symbol or immediately followed by a number, but not both?
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