Тест на тему Законы алгебры логики

Тест по математике. Тема: Наибольший общий делитель (НОД) Класс: 5 Тип вопросов: Множественный выбор Количество вопросов: 5 Ответы: Да

1. Найдите наибольший общий делитель чисел 12 и 18. A) 3 B) 6 C) 9 D) 12

2. Найдите наибольший общий делитель чисел 21 и 28. A) 7 B) 14 C) 21 D) 28

3. У двух куч конфет: 30 конфет и 45 конфет. Они хотят разложить их на одинаковые пачки по наибольшему количеству конфет в каждой пачке. Сколько конфет будет в каждой пачке? A) 5 B) 10 C) 15 D) 30

4. Какие два числа имеют наибольший общий делитель 1? A) 15 и 20 B) 7 и 11 C) 9 и 27 D) 8 и 14

5. Найдите наибольший общий делитель чисел 9 и 6. A) 1 B) 2 C) 3 D) 9

Ответы:

1. B — НОД(12, 18) = 6 (делители 12: 1,2,3,4,6,12; делители 18: 1,2,3,6,9,18)
2. A — НОД(21, 28) = 7 (делители 21: 1,3,7,21; делители 28: 1,2,4,7,14,28)
3. C — НОД(30, 45) = 15
4. B — Только 7 и 11 взаимно простые, их НОД = 1
5. C — НОД(9, 6) = 3

1. Что такое среднее арифметическое набора чисел? A) сумма чисел, делённая на количество чисел B) минимальное значение набора C) мода набора D) размах диапазона Ответ: A

2. В наборе 2, 4, 4, 6, 8, 4. Какая величина является модой? A) 2 B) 4 C) 6 D) 8 Ответ: B

3. Что такое медиана набора чисел? A) среднее арифметическое всех чисел B) число посередине упорядоченного набора C) наибольшее значение набора D) разность между максимумом и минимумом Ответ: B

4. Какая диаграмма лучше всего показывает пропорции каждого класса в наборе данных? A) гистограмма B) круговая диаграмма C) линейчатый график D) точечный график Ответ: B

5. Набор чисел: 7, 3, 5, 9, 3, 5, 3. Найдите диапазон (размах). A) 3 B) 6 C) 9 D) 12 Ответ: B

Вот тест по теме Narrative Tenses для 10 класса. Тип вопросов: множественный выбор. Всего 25 вопросов. В конце — ключ ответов.

Инструкция: выберите один правильный вариант (A, B, C или D) для каждого вопроса.

1. By the time the teacher arrived, the students ... A) finished B) had finished C) were finishing D) have finished

2. When I called, she ... in the garden all day. A) read B) was reading C) has been reading D) had been reading

3. I ... the movie before you called. A) saw B) will see C) had seen D) see

4. They ... TV when the power cut. A) watch B) watched C) were watching D) have watched

5. She ... her keys, but she found them later. A) forgets B) forgot C) has forgotten D) had forgotten

6. They ... for two hours when the train finally arrived. A) wait B) were waiting C) had waited D) had been waiting

7. The teacher ... the new topic when the bell rang. A) explains B) explained C) was explaining D) has explained

8. She ... to the store and realized she had forgotten her wallet. A) goes B) went C) will go D) going

9. By the time we arrived, the match ... for 30 minutes. A) had been going on B) going on C) has been going on D) was going on

10. The cat ... when the dog barked. A) slept B) sleeping C) was sleeping D) slept

11. She said she had gone to the concert the previous day. A) goes B) went C) had gone D) has gone

12. He ... in the rain all afternoon. A) stands B) stood C) was standing D) had been standing

13. We were having dinner when the phone rang. A) have B) had C) were having D) having

14. When I was a child, my grandfather would tell me stories. A) told B) tells C) would tell D) telling

15. By the end of the trip, we had experienced many unforgettable moments. A) experience B) experienced C) had experienced D) was experiencing

16. He proved to be a hero when he saved the child. A) proves B) proved C) proven D) show

17. We would have finished on time if the power hadn't gone out. A) would finish B) would have finished C) will finish D) have finished

18. When I was a child, I used to ride a bicycle. A) use to B) uses to C) used to D) using to

19. He said that he had gone to the party the night before. A) goes B) went C) had gone D) has gone

20. While the chef was preparing the dish, the guests were sipping their drinks. A) sip B) sipped C) were sipping D) have sipped

21. The film had already started when we reached the cinema. A) starts B) started C) had started D) is starting

22. She said that she would go to the party if she had time. A) would go B) will go C) going D) goes

23. When we arrived at the cafe, everyone had already left. A) leaves B) left C) had left D) leaving

24. He was writing when the power failed. A) wrote B) was writing C) had written D) has been writing

25. They said they had never seen such a sight before. A) see B) saw C) had never seen D) have never seen

Ответы:

1. B
2. D
3. C
4. C
5. D
6. D
7. C
8. B
9. A
10. C
11. C
12. D
13. C
14. C
15. C
16. B
17. B
18. C
19. C
20. C
21. C
22. A
23. C
24. B
25. C