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Reasoning
Alphanumeric Series
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NTPC Graduate Tier 1 2025 Shift-3 📅 05 Jun, 2025

Refer to the following number and symbol series and answer the question that follows. Counting to be done from left to right only. All numbers are single-digit numbers.

2 * 3 & @ @ 6 4 $ @ 3 * % 6 2 1 3 9 7 8 2 €

How many such numbers are there each of which is immediately preceded by a number and also immediately followed by a symbol?

A
4
B
5
C
3
D
2
Result Summary
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NTPC Graduate Tier 1
2025 • 05 Jun, 2025 • Shift-3
Refer to the following number and symbol series and answer the question that follows. Counting to be done from left to right only. All numbers are single-digit numbers.

2 * 3 & @ @ 6 4 $ @ 3 * % 6 2 1 3 9 7 8 2 €

How many such numbers are there each of which is immediately preceded by a number and also immediately followed by a symbol?
Correct Answer
2
[Target Pattern Formulation]: The specific structural requirement we need to locate in the string is: [Number] -> [Target Number] -> [Symbol].[Sequential Scanni......
Ref/Book : NTPC Graduate Tier 1 2025
Ref. Subject Reasoning
Chapter -
Ref. Topic Alphanumeric Series
Pg. No -
💡 Analysis & Explanation
[Target Pattern Formulation] ▼
The specific structural requirement we need to locate in the string is: [Number] -> [Target Number] -> [Symbol].
[Sequential Scanning] ▼
Scanning the sequence segment by segment from the left side:
a) Moving past symbols and isolated numbers, we hit the chunk '6 4 $'. Here, '4' is preceded by the number '6' and followed by the symbol '$'. This is Match #1.
b) Continuing through '3 * % 6 2 1 3 9 7 8', these are mostly numbers without an immediate trailing symbol.
c) At the very end, we observe the chunk '8 2 €'. Here, '2' is preceded by the number '8' and followed by the symbol '€'. This is Match #2.
[Final Tally] ▼
No other combinations satisfy the exact three-element criteria.
Conclusion ▼
There are exactly 2 instances fulfilling this condition.
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