(参考资料)2014年美国“数学大联盟杯赛”(中国赛区)初赛五、六年级试卷

A) 2:1
B) 12:25
C) 13:25
D) 1:2
14. If two consecutive whole numbers have a different number of digits, then their
product must be a multiple of
A) 4
B) 11
15. 23 ×25 ×27 ×211 =
A) Sunday
B) Monday
C) Tuesday
D) Wednesday
7. 150% of 20 = 200% of
A) 15
B) 25
C) 30
D) 40
8. Four 2 ×8 rectangles have a total area equal to that of a square of perimeter
A) 8
B) 16
C) 32
D) 64
9. I see a km marker at the end of each km I drive. The markers are numbered
consecutively from 1 through 100. How many markers are more than 30 km
B) 2:3
C) 11:6
D) 6:11
11. I rode my bicycle a total of 450 km in 15 hours. At this rate I would travel
? km in 30 minutes.
A) 15
B) 30
C) 60
D) 900
Leabharlann Baidu-1-
12. If the sum of 7 consecutive integers is 63, the sum of the largest and the smallest
only 3 friends?
A) $3.00
B) $4.00
C) $15.00
D) $16.00
6. At 5:00 P.M. on a Friday, Hal got locked in the vault. He was in
there for 5040 minutes before it opened. On what day did it open?
A) 4
B) 5
C) 10
D) 11
18. Lex buys 6 same-priced books and pays with a $50 bill. The change Lex receives
is twice the price of a book. Each book costs
A) $6.25
2013-2014 年度美国“数学大联盟杯赛”(中国赛区)初赛
(五、六年级) (初赛时间：2014 年 2 月 22 日，考试时间 60 分钟，总分 200 分)
学生诚信协议：考试期间，我确定没有就所涉及的问题或结论，与任何人、用任何方式交流或讨论， 我确定以下的答案均为我个人独立完成的成果，否则愿接受本次成绩无效的处罚。
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一、选择题(每小题 5 分，答对加 5 分，答错不扣分，共 150 分，答案请填涂在答题卡上)
1. The band’s trombone plays 2013 notes, the trumpet plays 2014 notes,
and the tuba plays 218 notes. That’s a total of ? notes.
of the 7 integers is
A) 18
B) 24
C) 42
D) 64
13. Of the first 100 positive whole numbers, the ratio of the number of multiples of 8
to the number of multiples of 4 is
from the marker numbered 50?
A) 38
B) 39
C) 40
D) 41
10. Of 60 people at a school board meeting, 24 are men. The ratio of women to
men at the meeting is
A) 3:2
B) $7.14
C) $8.33
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A) 6245
B) 6045
C) 4245
D) 645
2. The remainder when (999 999 999 + 666 666 + 333 + 1) is
divided by 3 is
A) 0
B) 1
C) 2
D) 3
3. 20 − 5 ×2 = 2 × ?
A) 5
B) 15
C) 25
D) 30
4. 4 ×6 ×8 ×10 = 2 ×3 ×4 ×5 × ?
A) 2
B) 6
C) 8
D) 16
5. When I split the cost of a video game equally with 4 friends, we each pay
$12.00. How much more do each of us pay if I split the cost equally with
C) 15
D) 100
A) 413
B) 1626
C) 21155
D) 161155
16. Which of the following figures has an odd number of sides?
A) rhombus
B) trapezoid C) pentagon D) hexagon
17. For how many integers from 55 to 66 is the ones digit greater than the tens digit?