How many ways can the letters of the word gloomy be arranged so that the two Os should not be together?

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• Correct option is (a) 240 * G *L *M * Y* we have 5 place where we can put letter "O" so using Permutation and Combination we select 2 place of 5 place is 5C2 =10

  now arranging them (5C2*2!)/2 *4! = 240

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