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2016年第32届美国数学竞赛试卷(MAA AMC 8)

发布:2024/9/7 4:0:8

  • 1.The longest professional tennis match ever played lasted a total of 11 hours and 5 minutes.How many minutes was this?(  )
    最长的职业网球比赛持续了总计11小时5分钟。这是多少分钟?(  )

       
    组卷:1引用:1难度:0.8
  • 2.In rectangleABCD,AB=6 andAD=8.Point M is the midpoint of
    AD
    .What is the area of△AMC?(  )
    在矩形ABCD中,AB=6,AD=8。点M是AD的中点。△AMC的面积是多少?(  )

       
    组卷:4引用:1难度:0.5
  • 3.Four students take an exam.Three of their scores are 70,80,and 90.If the average of their four scores is 70,then what is the remaining score?(  )
    四名学生参加了一次考试。他们三人的分数分别是70、80和90。如果他们四人的平均分是70,那么剩下的一位学生的分数是多少?(  )

       
    组卷:10引用:1难度:0.5
  • 4.When Cheenu was a boy he could run 15 miles in 3 hours and 30 minutes.As an old man he can now walk 10 miles in 4 hours.How many minutes longer does it take for him to walk a mile now compared to when he was a boy?(  )
    当Cheenu还是个男孩时,他可以在3小时30分钟内跑15英里。作为一个老人,他现在可以在4小时内走10英里。现在他走一英里所需的时间比他小时候多多少分钟?(  )

       
    组卷:7引用:2难度:0.5
  • 5.The number N is a two-digit number.
    •When N is divided by 9,the remainder is 1.
    •When N is divided by 10,the remainder is 3.
    What is the remainder when N is divided by 11?(  )
    数字N是一个两位数。
    •当N除以9时,余数是1。
    •当N除以10时,余数是3。
    当N除以11时,余数是多少?(  )

       
    组卷:17引用:2难度:0.5
  • 6.The following bar graph represents the length(in letters) of the names 19 people.What is the median length of these names?(  )

    以下的柱状图表示19个人名字的长度(以字母数表示)。这些名字的中位数长度是多少?(  )

       
    组卷:4引用:2难度:0.8
  • 7.Which of the following numbers is not a perfect square?(  )
    以下哪个数字不是完全平方数?(  )

       
    组卷:5引用:2难度:0.5
  • 8.Find the value of the expression 100-98+96-94+92-90+…+8-6+4-2.(  )
    求表达式100-98+96-94+92-90+…+8-6+4-2的值。(  )

       
    组卷:8引用:1难度:0.5

  • 24.The digits 1,2,3,4,and 5 are each used once to write a five-digit number PQRST.The three-digit number PQR is divisible by 4,the three-digit number QRS is divisible by 5,and the three-digit number RST is divisible by 3.What is P?(  )
    数字1、2、3、4和5分别被用一次来写一个五位数PQRST。三位数PQR可以被4整除,三位数QRS可以被5整除,而三位数RST可以被3整除。P的值是多少?(  )

       
    组卷:10引用:2难度:0.5
  • 25.A semicircle is inscribed in an isosceles triangle with base 16 and height 15 so that the diameter of the semicircle is contained in the base of the triangle as shown.What is the radius of the semicircle?(  )
    一个半圆内接于一个底边为16,高为15的等腰三角形中,使得半圆的直径包含在三角形的底边上,如图所示。这个半圆的半径是多少?(  )

       
    组卷:8引用:2难度:0.5
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