Total no. of questions in part A =6 Total no. of questions in part B =7 Total no. of ways can the student choose 10 questions =>6(C4)**7(C6)+6(C5)**5(C5)+6(C6)**7(C4) =>15**7+6**21+1**35 =>266
A student has to answer 10 questions, choosing at least 4 from each of part A and B. If there are 6 questions in part A and 7 in part B. In how many ways can the student choose 10 questions? View Solution In a class of 25 students with roll numbers 1 to 25 , a students is ...
The student ___ to answer all the questions.A. tryB. triedC. triesD. trying 相关知识点: 试题来源: 解析 B. tried 句子主语为"The student"(单数第三人称)。选项分析如下:- **A. try**:原形动词,不能直接用于单数第三人称的陈述句中,排除。- **B. tried**:过去式,表示动作发生在过去。若句子...
For each question, choose the correct answer.(1)[(a-1)/2 A.A student has found the wrong ID card in his sports bag. B.The person who lost his bag can get it from the school office. C.If you find a lost sports bag, please take it to the school office.(2)11-2=1 A.Mrs...
From there, focus on preparing to attend school in the fall by meeting deadlines and submitting required documents. "Go through an admitted student checklist," like securing housing, asking financial aid questions and registering for orientation, Felder says. ...
A student is to answer 10 out of 13 questions in an examination such that he must choose at least 4 from the first five questions. The number of choices avail
C. When to leave. 4. What is the relationship between the speakers? A Colleagues. B. Classmates. C. Strangers. 5. Why is Emily mentioned in the conversation? A. She might want a ticket. B. She is looking for...
2For each question, choose the correct answer.(1)A.A student has found the wrong ID card in his sports bag.B.The person who lost his bag can get it from the school office.C.If you find a lost sports bag, please take it to the school office.(2)A.Mrs Gray is not coming to th...
1、Answer the questions.Do you want to be a top student? Here are some habits of top students. You can learn from them to do better at school.Top students often put their problems in groups, so they can find a useful way to solve them together. They don't finish all the problems,...
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