That test prepared to calculate your IQ Score. To complete that test you don't need to have great mathematic ability.
-Each test has totally 39 question.
-Time period is: 45min.
-Test starts from easy question to hardest one. But most important questions are hard questions and it effects much more than easy questions on your score.
-When you answer a question, you don't have chance to go back to check it again.
-You shouldn't use any pen/paper/internet search etc. while test..