Civil Services Examination · வினா 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.
விடையைக் காட்டு & விளக்கம்
விடை: (D) 12
விளக்கம்
Treat 'QU' as one block. Units: QU, U, E, E. Arrangements = 4!/2! = 12.