A Canadian postal code uses six characters. The first, third, and fifth are letters, while the second, fourth, and sixth are digits. A U.S.A zip code contains five characters, all digits.

Question

How many codes are possible for each country?

Answer 1

There are 26 letters and 10 digits

Canada = 26^3 * 10^3 = 17'576'000
America = 10^5 = 100'000