de thi olympic tieng anh lop 10 vong 2 nam hoc 2013 2014

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Đề thi Olympic Tiếng Anh lớp 10 vòng 2 năm học 2013 - 2014
Câu 1. Twenty-six squares of paper lettered A to Z are placed in a can. One letter is
randomly chosen from the can and turns out to be the letter G. If a second letter is drawn
without putting the letter G back into the can, what is the probability that it will be the
letter F?
A. 1/25

B. 1/26

C. 2/25

D. 2/26

E. 3/25

Câu 2. Only one of the equations below could possibly be the equation for this graph.
Which one is it?
A. y = 2x + 3

B. y = 2x - 3

C. y = -3x - 2

D. y = 3x + 2

E. y = -3x + 2
Câu 3. Which of these is equivalent to the expression: x2 – 2x + 1, when x = –3?
A. -14

B. -2

C. 4

D. 8

E. 16

Câu 4. Which of these graphs does NOT represent a function?

A.

B.


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C.

D.

E. None of them

Câu 5. A target has a center circle with a three-inch radius and five outer rings. Each ring
is one inch wide. What is the circumference of the largest circle?
A. 6π inches

B. 11π inches

D. 18π inches

E. 16π inches

C. 20π inches


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Câu 6. What is the length of segment RS shown in the graph above?
A. 2√26

B. 2√34

C. 11

D. 12

E. 13

Câu 7. The mixed number 31/5 inches equals
A. 3 ÷ 1/5

B. 3 - 1/5

C. 3 x 1/5

D. 3 + 1/5

E. None of them

Câu 8. Simplify: 3x2 * (3x)2
A. 9x2

B. 18x4

C. 27x2

D. 27x3

E. 27x4

.2.086.19
Câu 9. Which list orders the numbers from the largest to the smallest?
A. .086, .19, .2

B. .19, .2, .086

D. .2, .086, .19

E. .2, .19, .086

C. .19, .086, .2

Câu 10. Suppose Martha has a job sewing zippers on down parkas. She gets 20 percent
faster each day she works for the first ten days. If Martha can do 60 parkas the first day,
about how many will she probably be able to handle by the end of the sixth day?
A. About 90

B. About 120

D. About 200

E. About 250

C. About 150