Q1) In California, each automobile license plate contains single digit followed by 3 letters, followed by 3 digits. How many distinct license plates can be formed if first number can't be zero and 3 letters cannot form "GOD"?
Q2) A certain code is the sequence of six digits. Determine probability of generating six digits and getting code consisting of 1, 2, 3, ..., 6 if each digit can be repeated?