Đề thi Olympic Tiếng Anh lớp 9 vòng 9 năm 2013 - 2014

Compare the two quantities in the boxes, one in Column A and one in Column B.

Which of the following numbers could be described in the following way: an integer that is a natural, rational and whole number?

Connor made the graph shown above, which shows how he spends a typical day. For what percentage of the day does Connor work at his part-time job?

Which line has a y-intercept of -5 and an x-intercept of 1?

When cubes are placed side by side, the number of faces (f) of the cubes that can be seen as you walk around them is related to the total number of cubes (c), as shown in the table above. If 11 cubes are placed side by side, how many faces can be seen?

What is the value of the expression 0.12 ÷ 12?

Divide x⁵ by x²

2, 4, 6, 4, 8, 2, 9, 4, 3, 8

What is the mode of the list of numbers above?

In the fraction 3/x, x may not be substituted by which of the following sets?

Sarah needs to make a cake and some cookies. The cake requires 3/8 cup of sugar and the cookies require 3/5 cup of sugar. Sarah has 15/16 cups of sugar. Does she have enough sugar, or how much more does she need?