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Soru

Zorluk: OrtaNumber and Alphabet Series
Which of the following letter pairs logically completes the given sequence?
ZA,YC,XF,WJ,…ZA, YC, XF, WJ, \dots
  1. VOVOCevap
  2. B
    VNVN
  3. C
    UOUO
  4. D
    VPVP

Cevap

VOVO
The sequence consists of two independent letter patterns. The first letter decreases monotonically by 1 position (Z -> Y -> X -> W -> V). The second letter follows an increasing difference series (+2, +3, +4, +5), advancing J (10th position) to O (15th position). Combining these yields VO.

Adım Adım Çözüm

1
Analyze the pattern of the first letter in each pair
Z (26), Y (25), X (24), W (23). The letters move backward by 1 step continuously. The next letter is V (22).
Determines the first letter of the missing term.
2
Analyze the pattern of the second letter in each pair
A (1) to C (3) is +2; C (3) to F (6) is +3; F (6) to J (10) is +4. The increment increases by 1 at each term. Adding 5 to J (10) gives 15, which corresponds to the letter O.
Determines the second letter of the missing term.
3
Combine both components to form the final term
Combining V and O gives VO.
Completes the sequence.

Anahtar Kavram

Dual-Pattern Alphabet Series with Positional Shifts
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Konular

Number and Alphabet Series

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