Refer to the following letter, number, symbol series and answer the question. All numbers are single digit numbers only. Counting to be done from left to right only. (Left) 6 N % 4 & H 7 @ 3 S 6 # G F ! 5 R 3 * D $ (Right) How many such symbols are there, which are immediately preceded by a letter and also immediately followed by a number?
Two
List the sequence: 6 N % 4 & H 7 @ 3 S 6 # G F ! 5 R 3 * D $.
Check each symbol for a letter immediately before and a number immediately after it.
% is preceded by N (letter) and followed by 4 (number). Count 1.
! is preceded by F (letter) and followed by 5 (number). Count 2.
The other symbols &, @, #, * and $ fail either the ‘preceded by a letter’ or ‘followed by a number’ test.
Hence, the answer is Two.
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(Left) 267 513 671 895 729 (Right)
(Example: 697 - First digit = 6, second digit = 9 and third digit = 7)
(NOTE: All operations to be done from left to right.)
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