Sample AMC 8 Mock Test - Ivy League Education Center

MOCK EXAMINATION

AMC 8

American Mathematics Contest 8

Test Sample

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AMC 8 Mock Test Problems

Problem 1 (A) -1011

1 - 2 + 3 - 4 + - 2020 + 2021 =

(B) -1010

(C) 0

(D) 1010

(E) 1011

Problem 2

1

1

What is the number halfway between 16 and 20 ?

(A)

1 160

(B)

1 80

(C)

1 18

(D)

9 160

(E)

1 9

Problem 3

A triangular corner with side lengths = = is cut from equilateral triangle of side length 3. What is the perimeter of the remaining quadrilateral?

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Problem 4

Estimate the time it takes to send 240 blocks of data over a communications channel if each block consists of 512 "chunks" and the channel can transmit 120 chunks per second.

(A) 0.27 seconds (D) 27 minutes

(B) 2.7 seconds (E) 27 hours

(C) 27 seconds

Problem 5

If

=

3

and

=

4,

what is the ratio of + to + ?

(A)

1 4

(B)

4 15

(C)

4 7

(D)

3 4

(E)

4 5

Problem 6

Each day, Alan ate 10% of the jellybeans that were in his bag at the beginning of that day. At the end of the second day, 81 remained. How many jellybeans were in the bag originally?

(A) 100

(B) 105

(C) 110

(D) 115

(E) 125

Problem 7 A 4 ? 4 ? 4 cube is painted blue on the top and the 4 side faces, and red on the bottom face. Then the cube is cut into unit cubes, as shown.

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How many of the unit cubes have exactly two blue faces?

(A) 8

(B) 12

(C) 16

(D) 20

(E) 24

Problem 8

A circular spinner is divided into 12 equal sections, as shown. An arrow is attached to the center of the spinner. The arrow is spun once. What is the probability that the arrow stops in a section containing a prime number that is odd?

(A)

1 12

(B)

1 6

(C)

1 3

(D)

5 12

(E)

1 2

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