de thi olympic tieng anh lop 10 vong 1 nam hoc 2013 2014

VnDoc - Tải tài liệu, văn pháp luật, biểu mẫu miễn phí Đề thi Olympic Tiếng Anh lớp 10 vòng năm học 2013 - 2014 Đề số Câu Which of the following is a graph of y ≤ 5x? A B C D E None of them Câu Personal computers are given a final inspection after being built Three types of defects are identified: critical, major and minor The chart above shows the results of these inspections Computers with either critical or major defects are deemed unusable and are destroyed What percentage of computers produced are deemed usable? A 89% B 91% C 95% D 98% E 87% VnDoc - Tải tài liệu, văn pháp luật, biểu mẫu miễn phí Câu Given that ∠ABC is a right angle, what is the measure of ∠DBE? A 5° B 20° C 140° D 80° E 50° Câu Use the map above to answer the question that follows If you average 55 miles per hour, about how long will it take to drive from Grady to Minden? A 10 to 20 minutes B 25 to 35 minutes C 40 to 50 minutes D More than 55 minutes E None of them Câu Which one of the following objects is most like a geometric plane? VnDoc - Tải tài liệu, văn pháp luật, biểu mẫu miễn phí A Tabletop B Water glass D Shoe box E None of them C Ice cream cone Câu Jake went for a 5-mile run When he started the run, his watch read 10:05 When he finished the run, it read 10:32 What was his average lap time? A 27 minutes per mile B minutes, seconds per mile C 32 minutes per mile D minutes, 24 seconds per mile E None of them Câu What is the MEDIAN height of the five office buildings shown in this list? A 157 feet B About 432 feet D 517 feet E 368 feet C 440 feet Câu A king-size water-bed mattress whose dimensions are feet by feet by inches is filled with water If the weight of a cubic foot of water is 45 pounds, how much will the water in the mattress weigh? A 607.5 pounds B 945 pounds C 1,890 pounds D 11,340 pounds E 22,680 pounds Câu Marie has been hired to paint the walls and ceilings of three rooms Room is 12 feet by 12 feet, room is 10 feet by 15 feet and room is 10 feet by 12 feet All three rooms are 10 feet high If a gallon of paint covers between 250 and 300 square feet, what is the best estimate of the number of whole gallons of paint that Marie needs? A B C D 10 E 12 VnDoc - Tải tài liệu, văn pháp luật, biểu mẫu miễn phí Câu 10 The graph above shows the amount of rustproof paint required to paint metal tanks made by Tanks-R-Us About how much paint will be required to paint a 1500-gallon tank? A 1.5 gallons B gallons C 10 gallons D 12 gallons E None of them Đề thi số Câu Which of these graphs represents a function? A C B D VnDoc - Tải tài liệu, văn pháp luật, biểu mẫu miễn phí E None of them Câu If a circular pool has a diameter of 20 feet, what is the area of the pool to the nearest square foot? A 31 square feet B 1256 square feet C 63 square feet D 628 square feet E 314 square feet Câu In the house plan shown above, figure FEB is similar to figure FDA What is the length of segment AD? A 12 feet B 20 feet C 30 feet D 35 feet Câu What is the area of a circle with d = 8x - ? A (16x - 12)π B (28x + 9)π C (16x2 + 12x + 9)π D (16x2 - 24x + 9)π E (16x2 + 24x - 9)π E 40 feet VnDoc - Tải tài liệu, văn pháp luật, biểu mẫu miễn phí Câu Lou would like to exchange 354 British pounds for U.S dollars If U.S dollar is equal to 0.59 British pounds, how many U.S dollars will Lou receive? A $145.14 B $208.86 C $600.00 D $863.41 E $900.00 Câu What is the solution of the system of linear equations above? A (0,15) B (5, 5) C (15, 45) D (10, 25) E (3, 9) Câu The average high temperatures for a city during the month of October are shown in the table above What is the mean of the average high temperatures? A 76° B 79° C 82° D 88° E 89° Câu What is the equation of the line passing through the points (1, 2) and (3, 4)? A y = x + B y = x - D x + y = E x + y = C x + y = Câu The measure of an angle in degrees is 3x Which of these represents the measure of its supplement? A 3x + 90 B 3x + 180 C 90 - 3x D 180 - 3x E 180 + 3x VnDoc - Tải tài liệu, văn pháp luật, biểu mẫu miễn phí Câu 10 Peter uses a 12-foot ladder to wash windows at his house What is the distance (x) from the base of the wall to the bottom of the ladder? A 4√5 B 4√13 C 16√5 D 16√13 E 8√13 Đề thi số Câu A circle’s center is at (2, –3), and one point on the circle is (3, 5) What is the length of the circle’s radius? A √21 B √29 C √65 D √89 Câu For what positive values of n is 1/n < n? A and values greater than B only values greater than C only positive values less than E √72 VnDoc - Tải tài liệu, văn pháp luật, biểu mẫu miễn phí D all positive values E None of them Câu A scientist is researching the amount of water used in towns She organizes her data as a scatter plot comparing each town’s population and water usage measured in gallons Using the same data points, which graph shows the line of best fit? A B C D E None of them Câu The chart shows temperature readings taken by a weather balloon as it rose into the air Based on the data in this chart, which function relates altitude, a, in kilometers, to temperature, T, in degrees Celsius? A T = –6.5a + 30 B T = 6.5a + 30 D T = a – 6.5 E T = 2a – C T = a + VnDoc - Tải tài liệu, văn pháp luật, biểu mẫu miễn phí Câu The figure shown is a large unpainted cube made of 27 smaller cubes If the entire surface of the large cube is painted, how many of the small cubes will have paint on exactly two sides? A B C 12 D 24 E 35 Câu The table lists the mean price of a gallon of gasoline during each month over one six-month period Which graph should be used to show the change in the price of a gallon of gasoline over time? A line graph B circle graph D histogram E None of them C box-and-whisker graph Câu Fun Times Ice-Cream Shop sells a large ice-cream cone for $2.50 and a small ice-cream cone for $1.75 To make a profit, the store needs to sell $700 worth of ice-cream cones If l is the number of large cones sold and s is the number of small cones sold, which inequality shows the numbers of large and small cones that need to be sold to make a profit? A 2.50l +1.75s ≥ 700 B 2.50l +1.75s ≤ 700 D 1.75l + 2.50s ≤ 700 E 1.7l + 1.50s ≤ 70 C 1.75l + 2.50s ≥ 700 VnDoc - Tải tài liệu, văn pháp luật, biểu mẫu miễn phí Câu Scientists have discovered that a person’s height is related to the length of the person’s tibia (shinbone) The graph plots the height and tibia length for ten individuals Based on an estimated line of best fit, which of the following is the best prediction of a man’s height if his tibia is 15 centimeters long? A 60 centimeters B 140 centimeters D 90 centimeters E 160 centimeters C 110 centimeters Câu James hears a classmate say that all trapezoids have congruent base angles Which figure could James use to show that his classmate’s statement is incorrect? A B C D E None of them VnDoc - Tải tài liệu, văn pháp luật, biểu mẫu miễn phí Câu 10 What is the solution to the equation 5x + 7x + 14 = 4x – 18 A x = -5 B x = -1 C x = -2 D x = -3 E x = -4 ... pounds C 1, 890 pounds D 11 ,340 pounds E 22,680 pounds Câu Marie has been hired to paint the walls and ceilings of three rooms Room is 12 feet by 12 feet, room is 10 feet by 15 feet and room is 10 feet... of the ladder? A 4√5 B 4 13 C 16 √5 D 16 13 E 8 13 Đề thi số Câu A circle’s center is at (2, –3), and one point on the circle is (3, 5) What is the length of the circle’s radius? A √ 21 B √29 C... dollars will Lou receive? A $14 5 .14 B $208.86 C $600.00 D $863. 41 E $900.00 Câu What is the solution of the system of linear equations above? A (0 ,15 ) B (5, 5) C (15 , 45) D (10 , 25) E (3, 9) Câu The