AMC8 2011年真题
2011 AMC 8 Problems
Problem 1
Margie bought 3 apples at a cost of 50 cents per apple. She paid with a 5-dollar bill. How much change did Margie recieve?
(A) $1.50 (B) $2.00 (C) $2.50 (D) $3.00 (E) $3.50
Problem 2
Karl's rectangular vegetable garden is 20 feet by 45 feet, and Makenna's is 25 feet by 40 feet. Whose garden is larger in area?
(A) Karl's garden is larger by 100 square feet.
(B) Karl's garden is larger by 25 square feet.
(C) The gardens are the same size.
(D) Makenna's garden is larger by 25 square feet.
(E) Makenna's garden is larger by 100 square feet.
(A) 8:17 (B) 25:49 (C) 36:25 (D) 32:17 (E) 36:17
(A) median < mean < mode (B) mean < mode < median
(C) mean < median < mode (D) median < mode < mean
What time was it 2011 minutes after midnight on January 1, 2011?
(A) January 1 at 9:31 PM (B) January 1 at 11:51 PM
(C) January 2 at 3:11 AM (D) January 2 at 9:31 AM
(A) 20 (B) 25 (C) 45 (D) 306 (E) 351
(A) 15 (B) 18 (C) 20 (D) 24 (E) 25
How many digits are in the product 45 ∙ 510 ?
(A) 8 (B) 9 (C) 10 (D) 11 (E) 12
How many rectangles are in this figure?
(A) 8 (B) 9 (C) 10 (D) 11 (E) 12
What is the tens digit of 72011?
(A) 24 (B) 48 (C) 60 (D) 84 (E) 108
In how many ways can 10001 be written as the sum of two primes?