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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 numbers are there, each of which is immediately preceded by a number and also immediately followed by a symbol?
One
Two
Zero
More than two
Zero
Scan the series for numbers and check their immediate left (number) and right (symbol). Look for the pattern: [Number] тЖТ [Target Number] тЖТ [Symbol].
Scan the series for numbers and check their immediate left (number) and right (symbol). Look for the pattern: [Number] тЖТ [Target Number] тЖТ [Symbol].
Understand the Condition
We need to find numbers that are immediately preceded by a number (Left neighbor = Number) and immediately followed by a symbol (Right neighbor = Symbol).
Analyze the Series from Left to Right
Given series: @ 6 8 9 # 1 * ┬г 4 7 & 2 & \% 3 ╬й 5. \text{Let}'s \text{check every number}: (1) 6: preceded by @ (symbol), not a number. (2) 8: preceded by 6 (number) and followed by (symbol). This is 1st match! (3) 9: preceded by $, not a number. (4) 1: preceded by #, not a number. (5) 4: preceded by ┬г, not a number. (6) 7: preceded by 4 (number) and followed by & (symbol). This is 2nd match! (7) 2: preceded by &, not a number. (8) 3: preceded by %, not a number. (9) 5: preceded by ╬й, not a number.
Conclusion
There are exactly 2 such numbers (8 and 7) that satisfy the given condition.
A: 'One' is incorrect because there are two matching numbers (8 and 7), not one. C: 'Zero' is incorrect because valid pairs exist. D: 'More than two' is incorrect because exactly two matches are found.
B is correct because there are exactly two numbers (8 and 7) in the series that are immediately preceded by a number and immediately followed by a symbol.
In alphanumeric series questions, always scan for numbers first to quickly narrow down potential positions instead of checking every single element.
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