Difference between revisions of "2002 AMC 8 Problems"
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[[2002 AMC 8 Problems/Problem 7 | Solution]] | [[2002 AMC 8 Problems/Problem 7 | Solution]] | ||
− | ==Problem 8== | + | ==Juan's Old Stamping Grounds== |
+ | |||
+ | Problems 8,9 and 10 use the data found in the accompanying paragraph and table: | ||
+ | |||
+ | <center> | ||
+ | Juan organizes the stamps in his collection by country and by the decade in which they were issued. The prices he paid for them at a stamp shop were: Brazil and | ||
+ | France, 6 cents each, Peru 4 cents each, and Spain 5 cents each. (Brazil and Peru are South American countries and France and Spain are in Europe.) | ||
+ | </center> | ||
+ | |||
+ | {{image}} | ||
+ | |||
+ | ===Problem 8=== | ||
+ | |||
+ | How many of his European stamps were issued in the '80s? | ||
+ | |||
+ | <math>\text{(A)}\ 9 \qquad \text{(B)}\ 15 \qquad \text{(C)}\ 18 \qquad \text{(D)}\ 24 \qquad \text{(E)}\ 42</math> | ||
[[2002 AMC 8 Problems/Problem 8 | Solution]] | [[2002 AMC 8 Problems/Problem 8 | Solution]] | ||
− | ==Problem 9== | + | ===Problem 9=== |
+ | |||
+ | His South American stamps issued before the '70s cost him | ||
+ | |||
+ | <math>\text{(A)}\ \textdollar 0.40 \qquad \text{(B)}\ \textdollar 1.06 \qquad \text{(C)}\ \textdollar 1.80 \qquad \text{(D)}\ \textdollar 2.38 \qquad \text{(E)}\ \textdollar 2.64</math> | ||
[[2002 AMC 8 Problems/Problem 9 | Solution]] | [[2002 AMC 8 Problems/Problem 9 | Solution]] | ||
− | ==Problem 10== | + | ===Problem 10=== |
+ | |||
+ | The average price of his '70s stamps is closest to | ||
+ | |||
+ | <math>\text{(A)}\ 3.5 \text{ cents} \qquad \text{(B)}\ 4 \text{ cents} \qquad \text{(C)}\ 4.5 \text{ cents} \qquad \text{(D)}\ 5 \text{ cents} \qquad \text{(E)}\ 5.5 \text{ cents}</math> | ||
[[2002 AMC 8 Problems/Problem 10 | Solution]] | [[2002 AMC 8 Problems/Problem 10 | Solution]] | ||
==Problem 11== | ==Problem 11== | ||
+ | |||
+ | A sequence of squares is made of identical square tiles. The edge of each square is one tile length longer than the edge of the previous square. The first three squares are shown. How many more tiles does the seventh square require than the sixth? | ||
+ | |||
+ | {{image}} | ||
+ | |||
+ | <math>\text{(A)}\ 11 \qquad \text{(B)}\ 12 \qquad \text{(C)}\ 13 \qquad \text{(D)}\ 14 \qquad \text{(E)}\ 15</math> | ||
[[2002 AMC 8 Problems/Problem 11 | Solution]] | [[2002 AMC 8 Problems/Problem 11 | Solution]] | ||
==Problem 12== | ==Problem 12== | ||
+ | |||
+ | A board game spinner is divided into three regions labeled <math>A</math>, <math>B</math> and <math>C</math>. The probability of the arrow stopping on region <math>A</math> is <math>\frac{1}{3}</math> and on region <math>B</math> is <math>\frac{1}{2}</math>. The probability of the arrow stopping on region <math>C</math> is | ||
+ | |||
+ | {{image}} | ||
+ | |||
+ | <math>\text{(A)}\ \frac{1}{12} \qquad \text{(B)}\ \frac{1}{6} \qquad \text{(C)}\ \frac{1}{5} \qquad \text{(D)}\ \frac{1}{3} \qquad \text{(E)}\ \frac{2}{5}</math> | ||
[[2002 AMC 8 Problems/Problem 12 | Solution]] | [[2002 AMC 8 Problems/Problem 12 | Solution]] | ||
==Problem 13== | ==Problem 13== | ||
+ | |||
+ | For his birthday, Bert gets a box that holds 125 jellybeans when filled to capacity. A few weeks later, Carrie gets a larger box full of jellybeans. Her box is twice as high, twice as wide and twice as long as Bert's. Approximately, how many jellybeans did Carrie get? | ||
+ | |||
+ | <math>\text{(A)}\ 250 \qquad \text{(B)}\ 500 \qquad \text{(C)}\ 625 \qquad \text{(D)}\ 750 \qquad \text{(E)}\ 1000</math> | ||
[[2002 AMC 8 Problems/Problem 13 | Solution]] | [[2002 AMC 8 Problems/Problem 13 | Solution]] | ||
==Problem 14== | ==Problem 14== | ||
+ | |||
+ | A merchant offers a large group of items at 30% off. Later, the merchant takes 20% off these sale prices and claims that the final price of these items is 50% off the original price. The total discount is | ||
+ | |||
+ | <math>\text{(A)}\ 35\% \qquad \text{(B)}\ 44\% \qquad \text{(C)}\ 50\% \qquad \text{(D)}\ 56\% \text{(E)}\ 60\%</math> | ||
[[2002 AMC 8 Problems/Problem 14 | Solution]] | [[2002 AMC 8 Problems/Problem 14 | Solution]] |
Revision as of 17:04, 19 May 2011
Contents
- 1 Problem 1
- 2 Problem 2
- 3 Problem 3
- 4 Problem 4
- 5 Problem 5
- 6 Problem 6
- 7 Problem 7
- 8 Juan's Old Stamping Grounds
- 9 Problem 11
- 10 Problem 12
- 11 Problem 13
- 12 Problem 14
- 13 Problem 15
- 14 Problem 16
- 15 Problem 17
- 16 Problem 18
- 17 Problem 19
- 18 Problem 20
- 19 Problem 21
- 20 Problem 22
- 21 Problem 23
- 22 Problem 24
- 23 Problem 25
- 24 See Also
Problem 1
A circle and two distinct lines are drawn on a sheet of paper. What is the largest possible number of points of intersection of these figures?
Problem 2
How many different combinations of <dollar/>5 bills and <dollar/>2 bills can be used to make a total of <dollar/>17? Order does not matter in this problem.
Problem 3
What is the smallest possible average of four distinct positive even integers?
Problem 4
The year 2002 is a palindrome (a number that reads the same from left to right as it does from right to left). What is the product of the digits of the next year after 2002 that is a palindrome?
Problem 5
Carlos Montado was born on Saturday, November 9, 2002. On what day of the week will Carlos be 706 days old?
Problem 6
A birdbath is designed to overflow so that it will be self-cleaning. Water flows in at the rate of 20 milliliters per minute and drains at the rate of 18 milliliters per minute. One of these graphs shows the volume of water in the birdbath during the filling time and continuing into the overflow time. Which one is it?
An image is supposed to go here. You can help us out by creating one and editing it in. Thanks.
Problem 7
The students in Mrs. Sawyer's class were asked to do a taste test of five kinds of candy. Each student chose one kind of candy. A bar graph of their preferences is shown. What percent of her class chose candy E?
An image is supposed to go here. You can help us out by creating one and editing it in. Thanks.
Juan's Old Stamping Grounds
Problems 8,9 and 10 use the data found in the accompanying paragraph and table:
Juan organizes the stamps in his collection by country and by the decade in which they were issued. The prices he paid for them at a stamp shop were: Brazil and France, 6 cents each, Peru 4 cents each, and Spain 5 cents each. (Brazil and Peru are South American countries and France and Spain are in Europe.)
An image is supposed to go here. You can help us out by creating one and editing it in. Thanks.
Problem 8
How many of his European stamps were issued in the '80s?
Problem 9
His South American stamps issued before the '70s cost him
Problem 10
The average price of his '70s stamps is closest to
Problem 11
A sequence of squares is made of identical square tiles. The edge of each square is one tile length longer than the edge of the previous square. The first three squares are shown. How many more tiles does the seventh square require than the sixth?
An image is supposed to go here. You can help us out by creating one and editing it in. Thanks.
Problem 12
A board game spinner is divided into three regions labeled , and . The probability of the arrow stopping on region is and on region is . The probability of the arrow stopping on region is
An image is supposed to go here. You can help us out by creating one and editing it in. Thanks.
Problem 13
For his birthday, Bert gets a box that holds 125 jellybeans when filled to capacity. A few weeks later, Carrie gets a larger box full of jellybeans. Her box is twice as high, twice as wide and twice as long as Bert's. Approximately, how many jellybeans did Carrie get?
Problem 14
A merchant offers a large group of items at 30% off. Later, the merchant takes 20% off these sale prices and claims that the final price of these items is 50% off the original price. The total discount is
Problem 15
Problem 16
Problem 17
Problem 18
Problem 19
Problem 20
Problem 21
Problem 22
Problem 23
Problem 24
Problem 25
See Also
2002 AMC 8 (Problems • Answer Key • Resources) | ||
Preceded by 2001 AMC 8 |
Followed by 2003 AMC 8 | |
1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 • 11 • 12 • 13 • 14 • 15 • 16 • 17 • 18 • 19 • 20 • 21 • 22 • 23 • 24 • 25 | ||
All AJHSME/AMC 8 Problems and Solutions |