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Related Questions:
Refer to the following number and symbol series and answer the question that follows. Counting to be done from left to right only.
(Left) $ $ 3 7 3 @ * 4 > 5 & < 9 # 4 / ^ ? / > + (Right)
How many such numbers are there, each of which is immediately preceded by a symbol and also immediately followed by another number?
If each vowel in the word DUSTER is changed to the letter following it in the English alphabetical order and each consonant is changed to the letter preceding it in the English alphabetical order, how many letters will appear twice in the group of letters thus formed?
Study the given number series and answer the question that follows.
26749365195245942371
How many even numbers are immediately preceded by an odd number and immediately followed by a prime number?