There is a 3*3 grid,9squares are to be attached with stickers.There are3 red and 6 white stickers.each and every square needs a sticker. In how many ways the squares can be attached with stickers
Option
1)9c3
2)9c3+6c3
3)9c3/3!
4)(9c3+6c3)/3!

• there are 9 boxes at start . now if we choose the red stickers then it would be 9C3 now we r left with 6 boxes and 6 stickers so it wil be 6c6.
  ans is 9c3 * 6c6 =9c3
• 9 years agoHelpfull: Yes(43) No(0)
• 9C3*6C6=9C3
• 9 years agoHelpfull: Yes(4) No(2)
• 9C3*6C6=9C3
• 9 years agoHelpfull: Yes(2) No(3)
• 9C3
  bcz if we sleact 3 out of 9 remaining 6 will be automaticaly taken by remaining 6
  no need to slect remining 6 out of 6
• 9 years agoHelpfull: Yes(2) No(1)
• 9c3
  for first 3 square 3 red ball can occupy 3 square out of 9 squares
  thus it can be done in 9c3 ways
  nxt 6 white ball can be done in 6c6 ways
  ans will be 9c3*6c6=9c3
  
  
• 9 years agoHelpfull: Yes(2) No(1)
• Total ways will be = 9! / 3!*6!= 9C3
• 9 years agoHelpfull: Yes(2) No(1)
• there are 9 items
  they can be arranged in 9 seats in 9! ways
  but the red stickers are of same color and same for white stickers
  therefore answer is 9!/6! 3! ie 9c3
• 9 years agoHelpfull: Yes(2) No(0)
• B)9C3+6C3
  
• 9 years agoHelpfull: Yes(1) No(8)
• 9c3*6c6=9c3
• 9 years agoHelpfull: Yes(1) No(1)
• 9c3 ways squares can be attached with stickers.
• 9 years agoHelpfull: Yes(1) No(2)
• select 3 out of 9 or 6 out of 3
  9c3+6c3
• 9 years agoHelpfull: Yes(1) No(4)
• ans 1)9c3 ways
• 9 years agoHelpfull: Yes(1) No(1)
• there are 3X3 or 9 grids that are to be filled with 3 red and 6 white stickers. hence to atart filling we can start with either red stickers or white.. lets first fill with red stickers. so we choose 3 grids out of 9 by 9C3 and the rest are filled in one way by the rest 6 stickers.ans is 9C3*6C6=9C3. agn if we strt with whitethen simillarly ans is 9C6*3C3=9C6=9C3(nCr=nC(n-r))
• 9 years agoHelpfull: Yes(1) No(1)
• as there are 3 red and 6 white tickers which are f same type. therefore no of ways = 9!/6!*3! = 9C3/3! ways.
• 9 years agoHelpfull: Yes(0) No(0)