Preparation HKIMO AIMO Grade 1 2
Date: 13 April 2025
1. According to the pattern shown below, what is the English alphabet in the space
provided?
D 、 K 、 E 、 L 、 F、 M 、 G 、 __ 、 H 、….
2. If 5th March, 2022 is Tuesday, which day of the week will 13th May, 2022 be?
3. Anna was born when mum was 33 years old. If dad is 18 years elder than mum is,
how old is dad when Anna is 30 years old?
4. According to the pattern shown below, how many＊ is / are there in the 9th group?
5. What is the number that should be filled in the blank if the equation below is
correct?
_____: 3 + 31 = 34
6. Find the value of 5 + 4 x 3 – (3 + 3) : 2 + 11.
7. Find the value of 5 - 14 + 20 - 10 + 16 - 28 + 34 - 9 + 15 .
8. Fill the lines with ‘ X ’ and ‘ – ’ to make the equation below correct.
11___ 3___ 7___ 23 = 3
9. Find the largest 3-digit even number without digital repetition.
10. Mary has 55 apples and George has 25 apples. How many apple(s) does George have
to ask Mary to give him to make George has 22 more apples than Mary?
11. A pyramid has 17 faces, how many edge(s) does this pyramid have?
12. How many line segment(s) is / are there in the polygon below?
13. How many square(s) is / are there in the figure below?
14. According to the following numbers, what is the difference between the number of
even number(s) and odd number(s)?
33, 4, 55, 6, 77, 34, 86, 39
15. Annie has 35 $1 coins, 14 $2 coins and 20 $10 coins. What is the maximum number
of $20 notes she can exchange?
16. A toy shop has 6 different toy cars. If George, Diana and Bella buy 1 toy car each, how
many different combination(s) is / are there?
17. 3-digit numbers are formed by choosing 3 numbers from 3, 0, 8 and 9. What is the
difference between the largest and the smallest value? (Each number can only be
used once)
18. What is the minimum 4-digit odd number by using 5, 4, 3, 9 and 8? (Each number can
only be used once)
19. A ‘Happy Lunch’ consists of a main dish and a snack. For the main dish, one of fish,
beef, lamb or pork can be chosen. For the snack, one of French fries or salad can be
chosen. How many different combinations for a ‘Happy Lunch’ are there?
20. Can this figure be drawn with a single stroke without overlapping?
21. There are 20 peanuts on a table. Now share all of them among Aiden and Beck. If
Aiden gets 4 peanuts more than Beck, how many peanuts does Beck get?
22. Aiden takes an afternoon nap for 2 hours and 10 minutes. In other words, how many
minutes does he take for an afternoon nap?
23. In the following cryptarithm, A, B and C each stands for a one-digit number. Find the
value of A + B + C.
24. There is a two-player game. Here are the rules, ‘There are 19 matches. Two people
take matches out one after another. In each turn, each player must take 1 to 3
matches out, and cannot choose not to take any matches. The one who take the last
match out wins the game.’ If Aiden takes matches out first, how many match(es)
should he take in the first turn so that he can make sure he will win the game?
25. Clever Class has 16 students. All students have sat for Maths test twice. 3 students
fail the first test, while 4 students fail the second test. 11 students pass in both tests.
So how many students fail in both tests?
0
