Alicense plate is to consist of 3 digits followed by 5 uppercase letters. determine the number of different license plates possible if the first and second digits must be odd, and repetition is not permitted.

There are three bags: a (contains 2 white and 4 red balls), b (8 white, 4 red) and c (1 white 3 red). you select one ball at random from each bag, observe that exactly two are white, but forget which ball came from which bag. what is the probability that you selected a white ball from bag a?