Q200 / 270 · NDA 2013 (Phase 1) · Mathematics

In how many ways can the letters of the word 'GLOOMY' be arranged so that the two O's should not be together?

  • Correct answer
    A
    $240$
  • B
    $480$
  • C
    $600$
  • D
    $720$

Solution

$\begin{aligned} & . . . . . . . . . \text { GLMY } 00 \\ & 4 \times{ }^5 \mathrm{C}_2=240\end{aligned}$

Hence, the correct answer is option: 'A'.

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