Select the letter-cluster from among the given options that can replace the question mark (?) in the following series. QAZ, SDF,…

Question

Select the letter-cluster from among the given options that can replace the question mark (?) in the following series.

QAZ, SDF, UGL, ?

1. A. VIJ
2. B. TFG
3. C. TGH
4. D. WJR (Correct answer)

Correct Answer

Option D — WJR

Detailed Solution & Explanation

The correct answer is WJR.

Key Points

• Take each position separately and find its step:
  • 1st letters: Q, S, U → +2 each → next is W
  • 2nd letters: A, D, G → +3 each → next is J
  • 3rd letters: Z, F, L → +6 each → next is R
• That gives W J R.

Additional Information

• The third column wraps the alphabet: Z + 6 runs past Z back to F, then F + 6 = L and L + 6 = R. Subtract 26 whenever a position exceeds it.
• Notice the steps themselves — +2, +3, +6 — differ per column; a series need not use a single increment throughout, which is exactly what makes column-wise reading essential.
• Writing the alphabet across the top of the rough sheet at the start of the exam pays for itself many times over in this section.

प्रश्न (हिन्दी में)

दिए गए विकल्पों में से उस अक्षर-समूह का चयन करें जो निम्नलिखित श्रृंखला में प्रश्न चिह्न (?) को प्रतिस्थापित कर सके।

QAZ, SDF, UGL, ?

1. A. VIJ
2. B. TFG
3. C. TGH
4. D. WJR