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The number of ways can 7 boys be seated at a round table so that 2 particular boys are separated is :

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  1. 5 factorial blank to the power of 5 end exponent P subscript 2 end subscript    
  2. 4 factorial times to the power of 5 P subscript 2    
  3. 7 factorial minus 6 factorial 2 factorial    
  4. 6!2!    

    Answer:The correct answer is: 4 factorial times to the power of 5 P subscript 2

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