Mathalon Prelims 2025

Which tech company was founded first?

•  a) Amazon (1994)

•  b) Google (1998)

•  c) Apple (1976)

•  d) Microsoft (1975)

What is 10 less than the largest 2-digit number?

• a) 90

•  b) 89

• c) 91

• d) 88

Which word has exactly 7 letters?

• a) Mathematics

•  b) Science

•  c) History

• d) Language

How many triangles can you count in this figure?

• a) 5

•  b) 8

•  c) 10

•  d) 12

Answer explanation

Which 3D shape has exactly 6 faces, 8 corners, and 12 edges?

•  a) Pyramid

•  b) Cylinder

•  c) Cube

•  d) Cone

If you have 3 groups of 4 apples each, how many apples do you have in total?

•  a) 7

•  b) 10

•  c) 12
  

•  d) 15

Which subtraction problem has the same answer as 84 - 27?

•  a) 90 - 33
  

• b) 75 - 18
  

•  c) 68 - 10

•  d) 95 - 38

  
  

What number makes this equation true: 45 + __ = 73?

• a) 28

• b) 38
  

•  c) 18
  

• d) 32

In the number 186, what is the place value of the digit 8?

•  a) 8
  

•  b) 80

• c) 800
  

• d) 18

  
  

In the sequence: 3, 6, 9, 12, __, 18, what number is missing?

•  a) 13

•  b) 14
  

•  c) 15

•  d) 16