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AMC 8 1996
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Question 1

How many positive factors of 36 are also multiples of 4?

Solution

  
  2020-07-09 06:39:32

Question 2

Jose, Thuy, and Kareem each start with the number 10. Jose subtracts 1 from the number 10, doubles his answer, and then adds 2. Thuy doubles the number 10, subtracts 1 from her answer, and then adds 2. Kareem subtracts 1 from the number 10, adds 2 to his number, and then doubles the result. Who gets the largest final answer?

Solution

  
  2020-07-09 06:39:32

Question 3

The 64 whole numbers from 1 through 64 are written, one per square, on a checkerboard (an 8 by 8 array of 64 squares). The first 8 numbers are written in order across the first row, the next 8 across the second row, and so on. After all 64 numbers are written, the sum of the numbers in the four corners will be

Solution

  
  2020-07-09 06:39:32

Question 4

Solution

  
  2020-07-09 06:39:32

Question 5

The letters , , , , and represent numbers located on the number line as shown.

Which of the following expressions represents a negative number?

Solution

  
  2020-07-09 06:39:32

Question 6

What is the smallest result that can be obtained from the following process? Choose three different numbers from the set

. Add two of these numbers. Multiply their sum by the third number.

Solution

  
  2020-07-09 06:39:32

Question 7

Brent has goldfish that quadruple (become four times as many) every month, and Gretel has goldfish that double every month. If Brent has 4 goldfish at the same time that Gretel has 128 goldfish, then in how many months from that time will they have the same number of goldfish?

Solution

  
  2020-07-09 06:39:32

Question 8

Points and are 10 units apart. Points and are 4 units apart. Points and are 3 units apart. If and are as close as possible, then the number of units between them is

Solution

  
  2020-07-09 06:39:32

Question 9

If 5 times a number is 2, then 100 times the reciprocal of the number is

Solution

  
  2020-07-09 06:39:32

Question 10

When Walter drove up to the gasoline pump, he noticed that his gasoline tank was 1/8 full. He purchased 7.5 gallons of gasoline for . With this additional gasoline, his gasoline tank was then 5/8 full. The number of gallons of gasoline his tank holds when it is full is

Solution

  
  2020-07-09 06:39:32

Question 11

Let be the number

where there are 1996 zeros after the decimal point. Which of the following expressions represents the largest number?

Solution

  
  2020-07-09 06:39:32

Question 12

What number should be removed from the list

so that the average of the remaining numbers is ?

Solution

  
  2020-07-09 06:39:32

Question 13

In the fall of 1996, a total of 800 students participated in an annual school clean-up day. The organizers of the event expect that in each of the years 1997, 1998, and 1999, participation will increase by 50% over the previous year. The number of participants the organizers will expect in the fall of 1999 is

Solution

  
  2020-07-09 06:39:32

Question 14

Six different digits from the set

are placed in the squares in the figure shown so that the sum of the entries in the vertical column is 23 and the sum of the entries in the horizontal row is 12. The sum of the six digits used is

Solution

  
  2020-07-09 06:39:32

Question 15

The remainder when the product

is divided by 5 is

Solution

  
  2020-07-09 06:39:32

Question 16

Solution

  
  2020-07-09 06:39:32

Question 17

Figure is a square. Point is the origin, and point has coordinates (2,2). What are the coordinates for so that the area of triangle equals the area of square ?

NOT TO SCALE

Solution

  
  2020-07-09 06:39:32

Question 18

Ana's monthly salary was $2000 in May. In June she received a 20% raise. In July she received a 20% pay cut. After the two changes in June and July, Ana's monthly salary was

Solution

  
  2020-07-09 06:39:32

Question 19

The pie charts below indicate the percent of students who prefer golf, bowling, or tennis at East Junior High School and West Middle School. The total number of students at East is 2000 and at West, 2500. In the two schools combined, the percent of students who prefer tennis is

Solution

  
  2020-07-09 06:39:32

Question 20

Suppose there is a special key on a calculator that replaces the number currently displayed with the number given by the formula . For example, if the calculator is displaying 2 and the special key is pressed, then the calculator will display -1 since

. Now suppose that the calculator is displaying 5. After the special key is pressed 100 times in a row, the calculator will display

Solution

  
  2020-07-09 06:39:32

Question 21

How many subsets containing three different numbers can be selected from the set

so that the sum of the three numbers is even?

Solution

  
  2020-07-09 06:39:32

Question 22

The horizontal and vertical distances between adjacent points equal 1 unit. The area of triangle is

Solution

  
  2020-07-09 06:39:32

Question 23

The manager of a company planned to distribute a bonus to each employee from the company fund, but the fund contained less than what was needed. Instead the manager gave each employee a bonus and kept the remaining in the company fund. The amount of money in the company fund before any bonuses were paid was

Solution

  
  2020-07-09 06:39:32

Question 24

The measure of angle is , bisects angle , and bisects angle . The measure of angle is

Solution

  
  2020-07-09 06:39:32

Question 25

A point is chosen at random from within a circular region. What is the probability that the point is closer to the center of the region than it is to the boundary of the region?

Solution

  
  2020-07-09 06:39:32

Answer Keys


Question 1: B
Question 2: C
Question 3: A
Question 4: B
Question 5: A
Question 6: C
Question 7: B
Question 8: B
Question 9: D
Question 10: D
Question 11: D
Question 12: B
Question 13: E
Question 14: B
Question 15: E
Question 16: C
Question 17: C
Question 18: A
Question 19: C
Question 20: A
Question 21: D
Question 22: B
Question 23: E
Question 24: C
Question 25: A



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