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.

సమాధానం చూపించు & వివరణ

సమాధానం: (D) 12

వివరణ

Treat 'QU' as one block. Units: QU, U, E, E. Arrangements = 4!/2! = 12.