Đề thi Olympic Tiếng Anh lớp 9 vòng 34 năm 2013 - 2014

Which procedure will give the mean grade for the test scores given in the table?

At Suzy's Diner the lunch menu has 5 choices for a main dish, 4 vegetable choices, 3 salad choices, and 5 dessert selections. If you choose one item from each category, how many different lunch combinations are possible?

The points awarded for hitting each area are shown on this dartboard. A person throws five darts. If order does not count, in how many ways can the person score exactly 50 points?

Travis found the area of a circle using the formula A = πr2. What type of number is π?

The 3 shapes above are the same size and are regular pentagons. What is the measure of ∠ABC?

Randy bought a pen on sale. The sale price of the pen was $2.34. The original price of the pen was $3.25. What percent did Randy save by buying the pen on sale?

The table above shows the value of a car during its first 3 years. The pattern continues. What will be the value of the car in year 6?

The spinner shown above is used in a game. Esther spins the spinner 8 times and gets an even number 5 times. Which statement correctly compares the experimental and theoretical probability of getting an even number?

A cylinder has a volume of 150 cubic yards. How many cubic feet is this?