Find the following sum

16 + 15 + 14 + 13 + ⋯ + 2 + 1 + 0 + 1 + 2 + ⋯ + 15 + 16

• 95

• 122

• 136

• 272

• None of the above

If the day before yesterday was Sunday. How many days are there from today

until Saturday? (For example, Monday to Wednesday is counted as two days)

• 2

• 3

• 4

• 5

• 6

It is given that 3³ = 3 × 3 × 3 = 27. What is the last digit of 2⁷?

• 2

• 4

• 6

• 8

• 0

There is a 21-metre-long road in front of a school. The principal is going to

decorate the road by planting some trees. He plants a tree every 3.5 metres

along the road, including the two ends. How many trees will be planted?

• 4

• 5

• 6

• 7

• none of the above

Find the next number in the sequence below

4, 9, 19, 39, 79, ?

• 99

• 119

• 134

• 139

• 159

It takes 20 minutes to saw a piece of wood into 5 pieces. A cut is made as shown in the picture. How long does it take to saw the piece of wood into 10

pieces?

• 40 minutes

• 42 minutes

• 44 minutes

• 45 minutes

• none of the above

Nancy and Vivian each drew a rectangle. Nancy’s rectangle has a perimeter of

88 cm. Vivian’s rectangle is 6 cm shorter and 10 cm wider than Nancy’s. What

is the perimeter of Vivian’s rectangle?

• 82

• 92

• 96

• 98

• 108

What number is on the other side of the card with symbol ‘÷’?

• 0

• 1

• 4

• 9

• none of the above

Tom makes the rectangle below with 10 gumdrops and 10 toothpicks.

Afterwards, Tom makes another rectangle using 44 gumdrops. The long side

of the new rectangle has twice as many gumdrops as the short side. How

many gumdrops are on the short side of the new rectangle?

• 6

• 7

• 8

• 9

• none of the above

The large cube in the figure below is formed by 27 small cubes. The surface of

the cube was painted red. How many small cubes have only one side painted?

• 6

• 7

• 8

• 9

• none of the above