Đề thi Olympic Tiếng Anh lớp 9 vòng 2
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1. Three percent of 4,200 is equal to 6 percent of what number?
2. The pie chart above shows the three sources for Lana’s college tuition. If 1/4 of the total amount was from scholarships and 1/3 was from student loans, what is the value of x ?
3. If a is greater than 4, then, of the following, which will always have the least value?
4. If x is the coordinate of the indicated point on the number line above, which of the lettered points has coordinate −2x ?
5. The graphs of the functions f and g are lines, as shown above. What is the value of f(3) + g(3) ?
6. If 75 percent of m is equal to K percent of 25, where k > 0, what is the value of m/K?
7. R is the midpoint of line segment PT, and Q is the midpoint of line segment PR. If S is a point between R and T such that the length of segment QS is 10 and the length of segment PS is 19, what is the length of segment ST ?
8. A high school student makes a work arrangement with his father. In return for unlimited use of a truck for one year, he agrees to pay the estimated yearly truck expenses as shown above. The student also wishes to earn $2,000.00 above these truck expenses. The student works 8 hours a week for 52 weeks on the farm. What is the lowest hourly wage he must earn in order to pay these truck expenses for one year and also save $2,000.00?
9. If nk = 64 and n and k are integers, which of the following could NOT be a value of n ?
10. In the equation (4K8)/3 = m, K is a digit in the three-digit number 4K8, and m is a positive integer. Which of the following could be the digit K ?
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