Civil Services Prep

Prelims 2026 · CSAT / Quantitative Aptitude · Question 9

How many words can one form by shuffling the letters of the word QUEUE, if Q is always followed by U? The words thus formed need not necessarily have any meaning.<br/>

  1. 6
  2. 8
  3. 10
  4. 12

Answer

12

Treat ‘QU’ as one block because Q must be immediately followed by U. Then arrange QU, U, E, E: that is 4 objects with two identical E’s. Count = 4!/2! = 12.

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