In a basketball tournament 32 teams are competing. At each stage the teams are divided into groups of 4. In each group every team plays once against every other team. The best two teams are qualified for the next round. The other two teams are eliminated. After the last stage the two remaining teams play one final match to determine the winner. How many matches will be played in the whole tournament?

Look at the grid to the right. Lan starts at the star. She moves 2

squares southwest, 2 squares north, then 1 square east. What shape does she arrive at?

There are 30 students in the class. They are asked whether they like

tigers, giraffes or lions. The diagram shows their answers (each circle shows the

total number of students who like those animals). How many children say they

like both tigers and giraffes, but not lions?

Each picture of fruit placed in this grid represents a number. The totals for each row and column are shown. What is the value of an apple plus an orange ?

You are facing east. If you turn anticlockwise a right angle and then turn back round, which direction will you be facing now?

Which one of the patterns would be created with these folds (-->) and cuts?

If a map has a scale of 1:2 500, what is the actual area of a piece of rectangular land of 350 cm2 on the map?

Among the following proverbs, which one is closest in meaning to ‘Đói cho sạch, rách cho thơm’?

Jane began observing a hyacinth plant on Friday when some of its flowers bloomed. Then, the number of flowers which bloomed on any day was equal to the number of flowers which had already bloomed. No flowers withered. All the flowers had bloomed by the following Thursday. On which day had exactly half of the flowers bloomed?

The diagram shows two identical graduated cylinders of 900 ml capacity, each containing some water. In order for both cylinders to contain the same amount of water, how much water should be poured from the cylinder on the left into the cylinder on the right?

Phong did an experiment with oil and four similar leaves on the same plant

He left the plant out in the sun for three hours. Which leaf will lose the most amount of water?

A group of science students conducted a study on the eggs of different animals. The experimental set-up consists of four identical jars, each containing an equal number of eggs of different animals. In which jars would the eggs develop into their next stage?

If the area of the bigger square shown is 64 cm2 , what is the area of the small square?

Tâm sees a clock in the mirror where it looks like this. What is the actual time?

Vân is stringing beads for a necklace, starting with two round beads, then a square bead, and then repeating this pattern of three beads.

She finished her necklace with a round bead, which happens to be the 18th round bead. How many square beads are on her necklace?

Mặn mà muối biển Sa Huỳnh

Ngọt đường ….(1)… thắm tình quê ta

Đường phổi, chim mía, mạch nha

Ai về …(1) … thử qua một lần,

Which province of Việt Nam is (1)?

Which of the following is the famous quote from the national hero Nguyễn Trung Trực?

There are 36 guests dining, a round table can seat 5 people, and a square table can seat 4 people. Which of the following ways of arranging the tables gives each guest a seat and there is no more seat left?

This shape can be folded into a cube. Which cube could it be?

Lá là lịch của cây

Cây lại là lịch đất

Trăng lặn rồi trăng mọc

Là lịch của bầu trời

Bà tính nhẩm.

Mẹ ơi, Mười ngón tay là lịch

Con tới lớp, tới trường

Lịch lại là trang sách.

(Nguyễn Hưng Hải)

Two lines “Con tới lớp, tới trường / Lịch lại là trang sách”mean:

The diagram shows light shining on an opaque pyramid in a dark room from two different directions.The pyramid is made up of four equilateral triangles and a square base. Which of the following correctly shows the shapes of the shadows formed on screens A and B?