AMC 8 2025 - Problem 23

How many four-digit numbers have all three of the following properties? (I) The tens and ones digits are both 9. (II) The number is 1 less than a perfect square. (III) The number is the product of exactly two prime numbers.

(A)
(B)
(C)
(D)
(E)
Answer:
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Tagged: AMC 8 free test, AMC 8 daily question

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