Đề thi Olympic Tiếng Anh lớp 11 vòng 31 năm 2013 - 2014

Câu 1

A solid is shown above. What is the volume of this solid in cubic centimeters?

Câu 2

The ordered pairs in the sets shown below are of the form (x, y). In which set is y a function of x?

Câu 3

This fair spinner is divided into equal sections. If the spinner is spun once, what is the probability of the spinner landing on 6?

Câu 4

The total number, n, of employees at a company depends on the company's yearly gross profits according to the equation n = 10p + 20, where p is the yearly gross profit in millions of dollars. If the yearly gross profit declined from 20 million dollars to 15 million dollars, what was the decrease in the number of employees?

Câu 5

Kyle recorded the growth of two plants. This scatterplot shows his data. Which graph most accurately represents the line of best fit for this scatterplot?

Câu 6

Cara asked six friends how many hours of television they watched in one week. Their responses are shown above. What is the median number of hours of television Cara's friends watched?

Câu 7

Which of these pairs of the form (x, y) could not lie on the graph of a function of x?

Câu 8

Kelly tossed a coin three times. Which tree diagram represents all the possible outcomes of tossing the coin three times? (H = heads; T = tails)

Câu 9

Which is a zero of the function f(x)= 2x - 10?

Câu 10

The point (q, 0) lies on the graph of the function: f(x) = -(3/4)x - 6. What is the value of q?