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Refer to the following number and symbol series and answer the question that follows. Counting to be done from left to right only.
How many such symbols are there which are immediately preceded by a number and also immediately followed by another number?
5
4
3
2
5
Scan for sequences of Number-Symbol-Number by ignoring letters and focusing only on the character types in the string.
Scan for sequences of Number-Symbol-Number by ignoring letters and focusing only on the character types in the string.
Analyze the series
The given series is: 3, &, ^, 5, 7, #, 9, %, 8, *, 4, <, 1, $, 2, @, *, 6. We need to identify symbols surrounded by numbers on both sides (Number-Symbol-Number).
Scanning the series
1: 5-7-#-9: # is between 7 and 9 (Match 1). 2: 9-%-8: % is between 9 and 8 (Match 2). 3: 8-*-4: * is between 8 and 4 (Match 3). 4: 4-<-1: < is between 4 and 1 (Match 4). 5: 1-тИТ2: is between 1 and 2 (Match 5). Note: @ is between 2 and *, so it is not a Number-Symbol-Number triplet.
B: 4 symbols is incorrect as it misses one triplet. C: 3 symbols is incorrect as it misses two triplets. D: 2 symbols is significantly undercounting the actual occurrences.
A is correct because there are exactly 5 symbols (#, %, *, <, $) that are immediately preceded and followed by numbers.
When counting elements in long strings, use a pencil to underline or circle valid triplets as you identify them to avoid double counting or skipping items.
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