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TIMO 2026 Grade 4 Preliminary SET 3 - Self-study

Question 1

According to the pattern shown below, how many letters “O’’ are there in the first 223 letters counting from the left?

Question illustration
  1. 37
  2. 75
  3. 38
  4. 74

Question 2

Yesterday was Thursday. Which day of the week will it be 40 days later from now?
  1. Wednesday
  2. Tuesday
  3. Sunday
  4. Thursday

Question 3

There are 35 animals including penguins and giraffes in the zoo. Their total number of legs is 94. How many giraffes are there?
  1. 11
  2. 23
  3. 12
  4. 8

Question 4

According to the pattern below, find the 10th term in the sequence.

3, 4, 7, 12, 19, ...
  1. 28
  2. 103
  3. 67
  4. 84

Question 5

In the first day, a store sold 16 bikes. In the second day, the store sold half of the remaining bikes. In the third day, the store sold 15 more bikes. They found that there were 7 bikes left in the store. How many bikes does the store have originally?
  1. 60
  2. 38
  3. 53
  4. 51

Question 6

Calculate 120 ÷ 2 + 120 ÷ 3 + 120 ÷ 5.
  1. 124
  2. 125
  3. 12
  4. 100

Question 7

Find the value of 3 + 5 + 7 + ... + 21 + 23.
  1. 142
  2. 121
  3. 143
  4. 130

Question 8

Calculate 123 x 53 - 123 x 12 + 123 x 59.
  1. 1230
  2. 12300
  3. 1232
  4. 13200

Question 9

Find the value of 48 - 46 + 44 - 42 + ... + 8 - 6 + 4 - 2.
  1. 12
  2. 24
  3. 36
  4. 48

Question 10

Given that A, B and C are different digits, find the value of C to get the correct operation.

ABC + BB = 145

Question illustration
  1. 1
  2. 2
  3. 3
  4. 4

Question 11

Find the smallest 4-digit number which can be divisible by 9 and the digits are different.
  1. 1008
  2. 1026
  3. 1017
  4. 1035

Question 12

Find the last digit of 3 x 3 x 3 x 3... x 3 (2023 numbers 3).
  1. 3
  2. 9
  3. 7
  4. 1

Question 13

Define the operation symbol: a ⊕ b = (a × 5 - 10) × (a : 2 + b). Find the value of 8 ⊕ 6.
  1. 48
  2. 500
  3. 300
  4. 480

Question 14

The sum of A and B is 42. A is 5 times of B. Find the value of A.
  1. 7
  2. 30
  3. 28
  4. 35

Question 15

If a 6-digit number 20233A is divisible by 3 but not divisible by 2, find the value of A.
  1. 3
  2. 2
  3. 8
  4. 5

Question 16

How many rectangles in the figure containing the candy are there?

Question illustration
  1. 32
  2. 36
  3. 18
  4. 24

Question 17

The figure below is a big square with side length 12cm formed by 4 identical rectangles and 1 small square. The area of the small square is 36 cm². Find the area of each rectangle.

Question illustration
  1. 27 cm²
  2. 36 cm²
  3. 32 cm²
  4. 35 cm²

Question 18

The area of the rectangle is 30. If the sides of the rectangle are natural numbers, find the minimum value of its perimeter.
  1. 34
  2. 11
  3. 26
  4. 22

Question 19

At least how many small squares can be seen if viewing the figure below from the front?

Question illustration
  1. 7
  2. 6
  3. 9
  4. 8

Question 20

Andy draws and paints 2022 in his grid paper as the figure below. Find the area of the painted area in cm², given that each cell of the grid paper has side length of 1cm.

Question illustration
  1. 25
  2. 21
  3. 31
  4. 36