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Refer to the given 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, each of which is immediately preceded by a symbol and also immediately followed by an odd number?
None
One
Two
More than two
None
Scan the sequence for symbols (non-alphanumeric) and check the immediate neighbors: a symbol on the left and an odd number on the right.
Scan the sequence for symbols (non-alphanumeric) and check the immediate neighbors: a symbol on the left and an odd number on the right.
Analyze the given sequence
The sequence is: 2, 9, #, 1, *, ┬г, &, %, 4, 6, @, 8, , 7, &, 3, ╬й, 5. \text{Symbols are}: #, *, ┬г, &, \%, @, , &, ╬й.
Check conditions for each symbol
Condition: Preceded by a symbol AND followed by an odd number. # (Preceded by 9, No), * (Preceded by 1, No), ┬г (Preceded by *, Yes, followed by &, No), & (Preceded by ┬г, Yes, followed by %, No), % (Preceded by &, Yes, followed by 4, No), @ (Preceded by 6, No), $ (Preceded by 8, No), & (Preceded by 7, No), ╬й (Preceded by 3, No). No symbol satisfies both conditions.
B: One is incorrect as no such triplet exists. C: Two is incorrect because the count is zero. D: More than two is incorrect as the count is zero.
A is correct because upon checking every symbol (#, *, ┬г, &, %, @, $, &, ╬й), none are immediately preceded by another symbol and followed by an odd number.
When searching for specific patterns in long series, use your pen to physically mark the symbols first, then check their neighbors one by one to avoid missing any.
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