Đề thi Olympic Tiếng Anh lớp 10 vòng 3 năm học 2013 - 2014
Đề thi Olympic Tiếng Anh lớp 10
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Đề thi Olympic Tiếng Anh lớp 10 vòng 1 năm học 2012 - 2013
Đề thi Olympic Tiếng Anh lớp 10 vòng 3 đề thi số 1
Câu 1. Use the scale drawing above to estimate. What's the diameter of the hole in the center of the drawing?
A. 8 inches B. 12 inches
C. 1/2 inches D. 1/8 inches
E. 4 inches
Câu 2. The area of a rectangular field is represented by (2k2 + 27k + 70) feet, and the width of the field is represented by (k + 10) feet. Which expression represents the length, in feet, of the rectangular field?
A. k + 60 B. 2k + 70
C. 2k2 + 26k + 60 D. 2k2 - 26k - 60
E. 2k + 7
Câu 3. The scatter plot above shows data from an experiment that tested the amount of lactic acid present in aging cheese. Which best describes the relationship between the age of the cheese and the amount of lactic acid present in the cheese, as shown in the scatter plot?
A. There is no correlation.
B. There is a positive correlation.
C. There is a negative correlation.
D. There is a non-linear correlation.
E. None of them
Câu 4. Which of the following is equivalent to (2x2y + xy + 2xy2)/xy?
A. 4
B. 3xy + 2x
C. 2x + 1 + 2y
D. 2x3y2 + x2y2 + 2x2y3
E. None of them
Câu 5. Factor: 9x2 - 9
A. 9(x - 1)
B. 9(x - 1)2
C. 3(x + 3)(3x - 1)
D. 9(x + 1)(x - 1)
E. 9(x + 1)2(x - 1)2
Câu 6. Which of these pairs of equations describes lines that are perpendicular?
A. y = -4/5x - 3 and y = -5/4x + 3
B. y = 2/7x - 3 and -7/2x - 4
C. y = 3x + 9 and y = 3x - 15
D. y = 5/2x - 4 and y = 2/5x + 2
E. None of them
Câu 7. Which of these graphs represents a function?
E. None of them
Câu 8. Which of the following is equivalent to the expression: (6b + 5c – 9) – 4(2b – c – 1)?
A. –2b + c – 13
B. –2b + 9c – 5
C. 4b + 9c – 10
D. 4b + 6c – 8
E. 4b + 6c + 8
4x + 3y = 5
-3x - 6y = 0
Câu 9. What is the solution of the system of linear equations above?
A. (-1, 2) B. (1, -2) C. (2, 1) D. (1, 2) E. (2, -1)
Câu 10. Solve: 3k - 7(k + 5) - 5 < 0
A. k < - 10 B. k > - 10 C. k < 0 D. k > 0 E. None of them
Đề thi Olympic Tiếng Anh lớp 10 vòng 3 đề thi số 2
Câu 1. What is the area of the triangle shown in the diagram above?
A. 192 square inches
B. 384 square inches
C. 154 square inches
D. 48 square inches
E. 96 square inches
Câu 2. What is the equation of the line shown in the graph above?
A. y = 2x + 2 B. y = -1/2x + 2
C. y = -2x + 2 D. y = 1/2x + 2
E. y = x + 2
Câu 3. Which of these graphs represents the solution of x - 4 > 1 or 2x + 2 ≤ -6?
E. None of them
Câu 4. Which of these inequalities describes this graph?
A. -5 < x < 1 B. -5 < x ≤ 1
C. -5 ≤ x ≤ 1 D. -5 ≤ x < 1
E. None of them
Câu 5. What is the value of x?
A. 400 B. 450 C. 600 D. 800 E. 1000
Câu 6. What is the value of x in the right triangle above?
A. 6 B. √6 C. 3√34 D. 9 E. 12
Câu 7. Which of these dimensions form a rectangle similar to a rectangle with a width of 2 inches and a length of 5 inches?
A. 2 inches by 10 inches
B. 4 inches by 25 inches
C. 6 inches by 9 inches
D. 6 inches by 15 inches
E. 6 inches by 20 inches
Câu 8. A box has a volume of 2880 cubic inches, a height of 20 inches, and a square base. What is the length of a side of the base?
A. 12 inches B. 24 inches
C. 48 inches D. 96 inches
E. 144 inches
Câu 9. Seven students in gym class shot 20 free throws each. The number of free throws made successfully is shown in the table above. What is the median number of free throws made successfully?
A. 12 B. 13 C. 14 D. 15 E. 16
Câu 10. A committee consists of 6 students and 4 teachers. If two committee members are selected at random, what is the probability that the first member selected is a student and the second member is a teacher?
A. 1/5 B. 4/15 C. 1/24 D. 6/25 E. 1/2