1985 AIME Problems

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Problem 1

Let $x_1=97$, and for $n>1$ let$x_n=\frac{n}{x_{n-1}}$. Calculate the product $x_1x_2x_3x_4x_5x_6x_7x_8$.

Solution

Problem 2

When a right triangle is rotated about one leg, the volume of the cone produced is $800\pi \text{cm}^3$. When the triangle is rotation about the other leg, the volume of the cone produced is $1920\pi \text{cm}^3$. What is the length (in cm) of the hypotenuse of the triangle?

Solution

Problem 3

Solution

Problem 4

Solution

Problem 5

Solution

Problem 6

Solution

Problem 7

Solution

Problem 8

Solution

Problem 9

Solution

Problem 10

Solution

Problem 11

Solution

Problem 12

Solution

Problem 13

Solution

Problem 14

Solution

Problem 15

Solution


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