ĐỀ THI OLYMPIC TIẾNG ANH LỚP NĂM HỌC 2012 VÒNG 17 - ĐỀ THI SỐ Chọn câu trả lời tốt cho câu hỏi A fraction of the circle above is shaded Which of the following models is shaded to represent a decimal with the same value as the circle fraction? A B C D A piece of wood is 2.27 centimeters thick What is that measurement rounded to the nearest tenth of a centimeter? A B C D 2.1 2.2 2.3 2.5 The table shows the number of visitors recorded one year to some national parks Which of the following is a true statement about the number of visitors to these parks? A B C D 1,836,784 < 1,784,520 1,473,100 < 1,317,835 1,317,835 < 1,784,520 1,836,784 < 1,473,100 Which means “six and seventy-four thousandths”? A B C D 674,000 6.74 6.074 0.6074 Rachel bought a pizza that was cut into equal slices Rachel and her friends ate 50% of the pizza Later, they ate another 1/4 of the whole pizza What percentage of the whole pizza was still left? A B C D 10% 25% 50% 12.5% A farmer needs to build the pen shown above for his animals The width of the pen is half of its length What is the perimeter of the pen? A B C D 50 feet 60 feet 65 feet 70 feet Which of the following number comparisons is true? A B C D 1.3749 < 1.0399 1.526 < 1.2605 1.7908 < 1.879 1.463 < 1.3902 Which of the following products would be in the 200 to 300 range? A B C D x16 15 x 12 17 x 11 19 x 13 4.8 x 5.1 = ? What is the product of the two numbers above? A B C D 2.44 2.88 24.41 24.48 10 What is the sum of the two numbers above? A B C D /3 1 1/8 1/4 ... about the number of visitors to these parks? A B C D 1, 836 ,784 < 1,784 ,52 0 1,4 73, 100 < 1, 31 7, 8 35 1, 31 7, 8 35 < 1,784 ,52 0 1, 836 ,784 < 1,4 73, 100 Which means “six and seventy-four thousandths”? A... perimeter of the pen? A B C D 50 feet 60 feet 65 feet 70 feet Which of the following number comparisons is true? A B C D 1 .37 49 < 1. 039 9 1 .52 6 < 1.26 05 1.7908 < 1.879 1.4 63 < 1 .39 02 Which of the following... 1.4 63 < 1 .39 02 Which of the following products would be in the 200 to 30 0 range? A B C D x16 15 x 12 17 x 11 19 x 13 4.8 x 5. 1 = ? What is the product of the two numbers above? A B C D 2.44 2.88