2014年AMC10真题PDF下载
1.What is 10 · （1/2 + 1/5 + 1/10)−1?
(A) 3
(B) 8
(C) 25/2
(D) 170/3
(E) 170
2.Roy’s cat eats 1/3 of a can of cat food every morning and 1/4 of a can of cat food every evening. Before feeding his cat on Monday morning, Roy opened a box containing 6 cans of cat food. On what day of the week did the cat finish eating all the cat food in the box?
(A) Tuesday
(B) Wednesday
(C) Thursday
(D) Friday
(E) Saturday
3.Bridget bakes 48 loaves of bread for her bakery. She sells half of them in the morning for $2.50 each. In the afternoon she sells two thirds of what she has left, and because they are not fresh, she charges only half price. In the late afternoon she sells the remaining loaves at a dollar each. Each loaf costs $0.75 for her to make. In dollars, what is her profit for the day?
(A) 24
(B) 36
(C) 44
(D) 48
(E) 52
4.Walking down Jane Street, Ralph passed four houses in a row, each painted a different color. He passed the orange house before the red house, and he passed the blue house before the yellow house. The blue house was not next to the yellow house. How many orderings of the colored houses are possible?
(A) 2
(B) 3
(C) 4
(D) 5
(E) 6
5.On an algebra quiz, 10% of the students scored 70 points, 35% scored 80 points, 30% scored 90 points, and the rest scored 100 points. What is the difference between the mean and median score of the students’ scores on this quiz?
(A) 1
(B) 2
(C) 3
(D) 4
(E) 5
6.Suppose that a cows give b gallons of milk in c days. At this rate, how many gallons of milk will d cows give in e days?
(A) bde/ac
(B) ac/bde
(C) abde/c
(D) bcde/a
(E) abc/de
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