Đề thi Olympic Tiếng Anh lớp 11 vòng 22 năm 2013 - 2014

Câu 1

Câu 2

Find the line through (3, 0) perpendicular to the line through (0, 3) and (3, 5).

Câu 3

Look at the 3-dimensional figure. What is the total surface area of the figure?

Câu 4

Of the 96 participants in a math contest, 63 participate in the math club, 58 participate in the engineering club, 45 participate in orchestra, and 27 do all three. If 33 are in the math club and the orchestra, 36 are in the engineering club and the orchestra and 18 are in the engineering club and the math club but not the orchestra, how many math contest participants are involved in none of these three activities?

Câu 5

Which pair of events is dependent?

Câu 6

Find the sum of all solutions to x + 10 = 7√x.

Câu 7

The coordinates (2, 2) and (–3, 1) are two of the vertices of the figure on the coordinate plane. What are the coordinates of the midpoint of the two vertices?

Câu 8

Which number is double 4³⁰?

Câu 9

The base-5 number 1034 is the same as the base-b number 220. Find b.

Câu 10

A pea weighs as much as three crumbs; Five crumbs weigh as much as a pea and a kernel; a bean weighs as much as a pea and a crumb. If a kernel weighs 6 grams (g), how much does a bean weigh?