Question

A 6 character computer password is made up of 4 numbers followed by 2 letters. How many different passwords are possible?
a.
810,000
b.
3,276,000
c.
6,500,000
d.
6,760,000


Please select the best answer from the choices provided

A
B
C
D

Answer 1

Each of the first 4 positions: 10 choices (digits 0–9) → 10^4 = 10,000
Each of the last 2 positions: 26 choices (letters) → 26^2 = 676
Total = 10,000 × 676 = 6,760,000

Answer: D