In a class of 20 students, Mary got the ___ highest score in the exam. A. eleven B. twelfth C. thirteen D. fourteen 相关知识点: 试题来源: 解析 B。解析:在一个有20个学生的班级里,说玛丽在考试中取得第几高的分数,这里要用序数词。A选项eleven是基数词。C选项thirteen为基数词。D选项four...
1. In a class of 20 students, 13 wear glasses and 12 wear gloves. If 8 wear both glasses and gloves,what is the number of those who wear neither? 相关知识点: 试题来源: 解析 13+12-8=17(人),20-17=3(人)。【解析】 13+12-8=17(人),20-17=3(人)。
6.In a class of 25 students,each student has at mostone pet.Three-fifths of the students have cats,20%have dogs,three have turtles,and the other studentshave no pets.How many students have no pets?(A)5(B)4(C)3(D)2(E)16. In a class of 25 students, each student has at most ...
In a class of 30 students, 15 students got A grades and 15 students got B grades. Which group got better grades, the 15 students with A grades or the 15 students with B grades? A. The 15 students with A grades B. The 15 students with B grades 相关知识点: 试题来源: 解析 A。
7. In a class of 25 students, 18 students enjoymathematics and 22 students enjoy music. If everystudent in the class enjoys at least one of these, howmany students in the class enjoy both? B(A)3(B)7(C)15(D)20(E)None of these 相关知识点: 试题来源: 解析 答案见上 反馈 收藏...
In a class, 20% of the students are excellent. If there are 50 students in the class, how many students are excellent? A. 5 B. 10 C. 15 D. 20 相关知识点: 试题来源: 解析 B。总人数为 50,优秀学生的比例为 20%,所以优秀学生人数 = 50×20% = 10 人。
结果1 题目 In a class, 20 students like math. If the total number of students is 50, what fraction of the students like math? A. 1/5 B. 2/5 C. 3/5 D. 4/5 相关知识点: 试题来源: 解析 B。计算喜欢数学的学生占比,20÷50=2/5,答案是 B。 反馈 收藏 ...
In a class of 50 students, the scores of a test are as follows: 80, 85, 90, 90, 95. What is the mode of the scores? A. 80 B. 85 C. 90 D. 95 相关知识点: 试题来源: 解析 C。本题考查众数的概念。众数是一组数据中出现次数最多的数。在这组数据中,90 出现了两次,其他数都只...
In a graduating class of 236 students。142took algebra and 121 took chemistry.What is the greatest number of students that could have taken both algebra and chemistry A. 21 B. 27 C. 37 D. 121 E. 142 相关知识点: 试题来源:
题目In a class, 30 students are divided into 6 groups. What fraction of the class is each group? A. 1/6 B. 1/5 C. 5/6 D. 6/5 相关知识点: 试题来源: 解析 A。30 个学生分成 6 组,每组占全班的 1÷6=1/6。反馈 收藏