In a 10 storey building 3 passenger enter a lift cabin.It is known that they will leave the lift at different storeys.In how many ways they can do so if the lift does not stop at the third storey.

• If the building is having Ground + nine storeys, and they will leave the lift at different storeys (of course , they will not leave at storey they entered in lift) and lift does not stop at the third storey, then
  
  possible combinations are 8*7*6 = 336
  
• 12 years agoHelpfull: Yes(3) No(0)
• 8*7*6 = 336 ways
• 12 years agoHelpfull: Yes(1) No(0)
• in 42 ways
  
  7*3!=42.
• 12 years agoHelpfull: Yes(0) No(1)
• 9*9*9=27
  in 27 ways.
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• 729 ways
  
  1st passenger leaves the lift in = 9 ways
  2nd passenger leaves the lift in = 9 ways
  3rd passenger leaves the lift in = 9 ways
  
  So, 9*9*9 = 729 ways.
• 12 years agoHelpfull: Yes(0) No(1)
• Govind and S.S is right..
  
  Nicely explained by Govind.
• 12 years agoHelpfull: Yes(0) No(1)