Đề thi Olympic Tiếng Anh lớp 7 vòng 11 năm 2012 - 2013
When this net of six squares is cut out and folded to form a cube, what is the product of the numbers on the four faces adjacent to the one labeled with a 1?
In a large hospital with several operating rooms, ten people are each waiting for a 45 minute operation. The first operation starts at 8:00 a.m., the second at 8:15 a.m., and each of the other operations starts at 15 minute intervals thereafter. When does the last operation end?
A different letter is painted on each face of a cube. This cube is shown above in 3 different positions. What letter belongs on the shaded face of the 4th cube in the diagram?
The table above shows four pairs of x and y values. Which of the following equations is true for all pairs of x and y values in the table?
Each student in Mr. Edward’s class needs 3 sheets of graph paper for the math project. Each packet of graph paper holds 25 sheets. There are 28 students in his class. What is the least number of packets of graph paper he will need for his students?
Three tennis balls are stacked in a cylinder that touches the stack on all sides, on the top and on the bottom. What's the ratio of the volume of the balls to the volume inside the can?
Sydney played a video game 43 times last year. He did not lose more than 2 games in a row last year. What is the greatest possible number of video games that Sydney could have lost last year?
Maria compared her eating habits with the daily recommended values in the graph above. Maria needs to eat more of which foods?
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