Soru

Zorluk: OrtaNumber and Alphabet Series

During an audit of a warehouse, a supervisor notices that the serial numbers on a batch of secured containers follow a specific alphanumeric progression. The first four container tags are recorded as B3M, E7P, I12T, and N18Y. Based on this established progression, what should be the serial number on the fifth container?

  1. T25ECevap
  2. B
    Q22B
  3. C
    T24E
  4. D
    T25D

Cevap

T25E
The progression operates on three separate tracks. The first letter shifts by +3, +4, +5, and subsequently +6 (N to T). The central number increases by +4, +5, +6, and subsequently +7 (18 to 25). The last letter shifts by +3, +4, +5, and subsequently +6, which requires wrapping past Z (Y + 6 = E). Combining these three components yields T25E.

Adım Adım Çözüm

1
Analyze the pattern of the first letter in each term.
B to E is +3; E to I is +4; I to N is +5.
To identify the rule governing the first alphabetical component.
2
Apply the established rule to find the first letter of the fifth term.
The next shift must be +6. N (14th letter) + 6 = 20th letter, which is T.
To determine the starting character of the missing serial number.
3
Analyze the pattern of the numerical portion in each term.
3 to 7 is +4; 7 to 12 is +5; 12 to 18 is +6.
To identify the rule governing the central numbers.
4
Apply the numerical rule to find the central number of the fifth term.
The next addition must be +7. 18 + 7 = 25.
To determine the numerical component of the missing serial number.
5
Analyze the pattern of the final letter in each term.
M to P is +3; P to T is +4; T to Y is +5.
To identify the rule governing the last alphabetical component.
6
Apply the rule to find the final letter of the fifth term, accounting for the end of the alphabet.
The next shift must be +6. Y (25th letter) + 6 = 31. Since the alphabet has 26 letters, 31 - 26 = 5th letter, which is E.
To determine the final character of the missing serial number by wrapping around the alphabet.

Anahtar Kavram

Progressive Alphanumeric Series and Alphabetical Wrapping
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