Question 217746
 License plates are to be issued with 3 letters followed by 4 single digits. If the plates are issued at random, what is the probability that the license plate says usa followed by a number that is divisible by 5?
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Each of the letters is 1/26.
The 1st 3 numbers are each 10/10, since all numbers are accepted.
The last number is 5 or zero, = 2/10 = 1/5
Overall, it's 
1 in 26*26*26*5
= 1/87880