How many three letter computer passwords can be formed using the symmetric alphabets from A to Z( repetition is not allowed)

• there are 11 symmetric alphabets so we can choose 3 from that..11p3=990
• 11 years agoHelpfull: Yes(5) No(1)
• 26*25*24-15*14*13=12870.....here total 26 words and the password has three words...so total passwords are 26*25*24.but we have to minus asymmetric words password.so minus 15*14*13...answer is 12870.
• 10 years agoHelpfull: Yes(5) No(4)