Đề thi Olympic Tiếng Anh lớp 10 vòng 1 năm 2013 - 2014

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?

Given that ∠ABC is a right angle, what is the measure of ∠DBE?

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?

Which one of the following objects is most like a geometric plane?

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?

What is the MEDIAN height of the five office buildings shown in this list?

A king-size water-bed mattress whose dimensions are 7 feet by 6 feet by 6 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?

Marie has been hired to paint the walls and ceilings of three rooms. Room 1 is 12 feet by 12 feet, room 2 is 10 feet by 15 feet and room 3 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?

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?