Anku posted an Question
May 22, 2021 • 01:25 am 30 points
  • IIT JAM
  • Mathematical Statistics (MS)

How underlined part is comming pls once tell

how underlined part is comming pls once tell. . . . . . . . . .. .

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  • Alka gupta Best Answer

    when two person sit together then we count both person 1 .....and both person can sit together as a 19 ways ....

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