A number plate of a car has 2 letters and 3 numbers (like: AZ 580). It is given that, the first number cannot be 0. How many kind of number plates can be made?

AZ580 =For A you have 26 letters x Z also 26 letters x 9 choices for first number x 10 choices for the 2nd x 10 choices for the 3rd = 26 x 26 x 9 x 10 x 10 =608,400 plates possible.