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HKIMO 2026 Grade 1 National Preliminary Set 04

Question 1

5 years later, Alice will be 12 years old. Alice’s father is 23 years elder than her. How old is Alice’s father now?
  1. 40
  2. 30
  3. 20
  4. 35

Question 2

By observing the pattern, what is the English letter in the space provided?

C, E, G, I, __, M, O
  1. N
  2. J
  3. L
  4. K

Question 3

Observe the sequence below to replace the flag with a suitable number.

Question illustration
  1. 18
  2. 17
  3. 14
  4. 15

Question 4

Refer to the figure below, how many circles are there in the 5th group?

Question illustration
  1. 4
  2. 8
  3. 12
  4. 16

Question 5

Students in a class form a line. Kim sees that there are 5 students in front of her and 3 students behind her. How many students are there in Kim’s class?
  1. 8
  2. 9
  3. 10
  4. 2

Question 6

Find the value of 0 + 2 + 4 + 6 + 8 + 10.
  1. 30
  2. 20
  3. 10
  4. 40

Question 7

By observing the equation, which number is being covered by the book?

Question illustration
  1. 13
  2. 16
  3. 3
  4. 14

Question 8

Find the value of 2 + 3 − 4 + 2 + 3 − 4 + 2 + 3 − 4 + 2 + 3 − 4.
  1. 3
  2. 1
  3. 4
  4. 5

Question 9

What is the value of K if the equation below is correct?

6 + K = 8 − 5 + 11
  1. 6
  2. 8
  3. 4
  4. 5

Question 10

If A and B represent different digits, what is the value of A so that the equation is correct?

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

Question 11

Observe the following sequence and find the smallest even number.

38, 20, 18, 15, 49, 26, 7
  1. 7
  2. 15
  3. 18
  4. 20

Question 12

A box has balls with consecutive numbers from 0 to 50 (0, 1, 2, 3, 4, …, 50). How many balls are there in the box?
  1. 40
  2. 51
  3. 25
  4. 50

Question 13

Find the 6th number in the arithmetic sequence below.

31, 29, 27, 25, …
  1. 24
  2. 23
  3. 19
  4. 21

Question 14

Andy had 20 candies. Andy gave Betty 3 candies then Betty gave Cindy 4 candies so that 3 friends had the same number of candies. How many candies did Cindy have originally?
  1. 19
  2. 21
  3. 18
  4. 13

Question 15

David has 3 cards. The total number of cards of David and his brother is the smallest 2-digit odd number. How many cards does David’s brother have?
  1. 10
  2. 9
  3. 8
  4. 7

Question 16

How many squares are there in the figure below?

Question illustration
  1. 19
  2. 14
  3. 15
  4. 20

Question 17

At least how many cubes are there in the figure below?

Question illustration
  1. 12
  2. 11
  3. 13
  4. 10

Question 18

How many interior angles are there in the polygon below?

Question illustration
  1. 13
  2. 14
  3. 15
  4. 16

Question 19

How many line segments are there in the figure below?

Question illustration
  1. 18
  2. 20
  3. 16
  4. 14

Question 20

Refer to the beads below. How many white beads are there in the first 15 beads?

Question illustration
  1. 15
  2. 7
  3. 8
  4. 6