how many different words of 4 letters can be formed with the letters of the word "EXAMINATION" ?

• 11c4/(2!*2!*2!)
• 12 years agoHelpfull: Yes(4) No(1)
• the different 4 letter words from examination are-mate,note,time,exam
• 12 years agoHelpfull: Yes(0) No(2)
• name,time,note, mate, atom..........
• 12 years agoHelpfull: Yes(0) No(2)
• this ans is incorrect. its 2454..pls someone explain
• 12 years agoHelpfull: Yes(0) No(0)
• (A,A),(I,I),(N,N),E,x,T,M,O
  case1:two alike of 1ne kind nd two alike of another kind=3C2=3
  case2:two alike nd other two different=3C1*7c2=63
  case3:all four are different=8c4=70
  so total 3+63+70=136
• 12 years agoHelpfull: Yes(0) No(0)
• 11C4/2!*2!*2!=11*10*9*8/4*3*2*2*2*2=165/4
  
  
• 12 years agoHelpfull: Yes(0) No(0)