A box contains 4 slips of paper, on each of which is written the number 1, 2, 3, or 4. A slip of paper is drawn and the number on it is noted. That slip is put aside, another drawn, and the number on it noted. What is the probability that:
A) the sum of the two numbers is 5?
B) the first number drawn is a 2 and the second number is NOT a 5?
C) the sum of the numbers is NOT 10?
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