in the reading room of a library there are 10 tables 4 chairs per table.In each table there are different no of people seated.how many ways they will sit in the lib so that no chair is left blank

• Actually the Question is ambiguous !!!
  
• 11 years agoHelpfull: Yes(4) No(1)
• table=10
  chair=4
  each table different no of people seated
  so,
  1st table =1
  2nd table =2
  3rd table =3
  4th table=4
  so ,no of ways =4 ans.
• 11 years agoHelpfull: Yes(1) No(10)