This is the mock exam for a number cruncher math competition of academic competition in Thailand. There are two types of exams: 4-2-mode exam and 5-3-mode exam.

The objective of the game: Make the number (two/three digits) from the four/five numbers shown.

How to Play
1. Random four-digit or five-digit number
2. Random a two/three-digit answer.
3. Set and start the timer.
4. Make the number (two/three digits) from the four/five-digit numbers shown. Players can use mathematics operations such as addition, subtraction, multiplication, etc. The numbers and types of mathematics operations used in the game are up to the players' agreement.