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SEAMO 2026 Paper A SET 1 – Self-practice

Question 1

Find the value of $9+99+999$.
  1. 1107
  2. 1108
  3. 1109
  4. 1110
  5. None of the above

Question 2

Find the missing number in Figure 3.

Question illustration
  1. 1
  2. 2
  3. 3
  4. 4
  5. 5

Question 3

Find the missing numbers.

$1,2,4,7,11,(\quad),(\quad),29,37,\ldots$
  1. 15, 21
  2. 16, 22
  3. 16, 23
  4. 15, 22
  5. 17, 24

Question 4

Find the area of the shaded region, in $\mathrm{cm}^2$. It is given that the area of the large square is $8\times8=64\mathrm{\ cm}^2$.

Question illustration
  1. 4
  2. 6
  3. 8
  4. 10
  5. 12

Question 5

There are 18 chickens and rabbits in a farm. Altogether there are 58 legs. How many rabbits are there?

Question illustration
  1. 8
  2. 9
  3. 10
  4. 11
  5. 12

Question 6

The perimeter of a figure is found by measuring the total length of its outline. Each figure below is made up of 6 small rectangles. Which of the following statements is TRUE?

Question illustration
  1. Figure 1 and Figure 4 have the same perimeter
  2. Figure 2 and Figure 3 have the same perimeter
  3. Figure 1 has the largest perimeter
  4. Figure 3 has the largest perimeter
  5. Figure 4 has the largest perimeter

Question 7

Mark saw the reflection of an old clock. What was the actual time?

Question illustration
  1. 2.35 pm
  2. 3.15 pm
  3. 4.15 pm
  4. 4.45 pm
  5. None of the above

Question 8

How many squares are there altogether in the figure below?

Question illustration
  1. 15
  2. 19
  3. 23
  4. 24
  5. 25

Question 9

Find the value of $1-2+3-4+5-6+\cdots-20+21$.
  1. 11
  2. 13
  3. 15
  4. 17
  5. 21

Question 10

Find the 3-digit number $\overline{ABC}$, such that

$$\begin{array}{rrr}&A&A\\&B&B\\+&C&C\\\hline A&B&C\end{array}$$
  1. 196
  2. 197
  3. 198
  4. 199
  5. 200

Question 11

How many shortest paths are there from A to B? Follow the direction of the arrows.

Question illustration
  1. 5
  2. 6
  3. 7
  4. 8
  5. 9

Question 12

The sum of dates of all Wednesdays in a certain month is 66. On which day of the week was the 1st day of the month?

Question illustration
  1. Monday
  2. Tuesday
  3. Wednesday
  4. Thursday
  5. Friday

Question 13

Each circle represents a number. The number in the last circle is shown below. What is the number in the 1st circle?

Question illustration
  1. 5
  2. 4
  3. 3
  4. 2
  5. 1

Question 14

There are 5 black, 3 orange and 4 red balls in a bag. Without looking into the bag, how many balls must Shawn take so he will have at least 1 ball of each colour?
  1. 8
  2. 9
  3. 10
  4. 11
  5. 12

Question 15

There are 5 steps to a flight of stairs. Chatdanai can take 1 or 2 steps up at a time. How many ways are there for him to do so?

Question illustration
  1. 7
  2. 8
  3. 9
  4. 10
  5. 12

Question 16

The teacher has a bag of sweets. If she gives each student 7 sweets, 3 sweets remain. If she gives each student 8 sweets, she needs another 5 sweets. How many sweets does the teacher have?

Question illustration
  1. 58
  2. 59
  3. 60
  4. 61
  5. 62

Question 18

Put $+$, $-$, $\times$ or $\div$ in the circles to make the following number statement work.

$$3\bigcirc3\bigcirc3\bigcirc3=7$$
  1. $-,+,\times$
  2. $+,-,+$
  3. $\times,\times,\div$
  4. $+,+,\div$
  5. $-,-,\div$

Question 19

It is given:

$$\begin{aligned}\square+\triangle+\bigcirc&=48\\\square+\triangle+\triangle&=47\\\square+\square+\triangle&=46\end{aligned}$$

Find the value of the circle.
  1. 15
  2. 16
  3. 17
  4. 18
  5. 20

Question 20

A cube has 6 faces. The object shown is made up of 8 cubes. How many cubes will have 4 faces painted if the object is painted yellow?

Question illustration
  1. 3
  2. 4
  3. 5
  4. 6
  5. 7