06/18/2020 (2011: Countdown Round, Problem 2)
Q: A 20% increase followed by a 25% increase is equivalent to what single percent increase?
A: 50%
06/18/2020 (2011: National Target Round, Problem 7)
Q: The four faces of a fair tetrahedral die are numbered one, two, three and four. Each time the die is rolled, three numbers are visible. If the die is rolled three times, what is the probability that the sum of all nine of the numbers showing is 21? Express your answer as a common fraction. A: 5/32
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