Đề thi Olympic Tiếng Anh lớp 9 vòng 11 năm 2013 - 2014

What is the next term in the sequence above?

Which expression is equivalent to 

In the graph above, no axes or origin is shown. If point B's coordinates are (10,3), which of the following coordinates would most likely be A's?

Over the course of a week, Fred spent $28.49 on lunch. What was the average cost per day?

At a company fish fry, 1/2 in attendance are employees. Employees' spouses are 1/3 of the attendance. What is the percentage of the people in attendance who are not employees or employee spouses?

The area of triangle XY Z is 8 square inches. Points A and B are midpoints of congruent segments XY and XZ. Altitude XC bisects YZ. The area (in square inches) of the shaded region is

There are 8 ounces in a ½ pound. How many ounces are in 7 3/4 lbs?

If the value of x and y in the fraction XZ/Y are both tripled, how does the value of the fraction change?

What is the next number in the pattern above?

Of the following units which would be more likely used to measure the amount of water in a bathtub?