Multiple choice

How many difference words can be formed by jumbling the letters in the word MISSISSIPPI in which no two S are adjacent

  1. $8\times _{ }^{ 6 }{ { C }_{ 4 }\times  7  }$
  2. $6\times_{}^{ 6 }{ {C }_{ 4 } \times }^{ 8 }{ { C }_{ 4 } }$
  3. $6\times _{ }^{ 6 }{ { C }_{ 4 }\times }^{ 7 }{ { C }_{ 4 } }$
  4. $7\times _{ }^{ 6 }{ { C }_{ 4 }\times }^{ 8 }{ { C }_{ 4 } }$
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A Correct answer