The way the US military leads through what is called the Armed Forces Ability Test (ASVAB). This test has a predetermined number of hours that you must complete to determine your qualifications for military service at this website https://www.andysasvabclass.com.
If you prepare yourself mentally and physically, the more likely you are to succeed. The military recruiter you contact will then plan an ASVAB assessment. But before you get a grade, you have to study well.
Being able to study is part of preparing for ASVAB. It wasn't meant to summon soldiers who got perfect results on exams. However, the test is not that difficult due to the high "pass" of the test takers.
To properly prepare for the ASVAB test, you must review and study it without being distracted. Be sure to take a break to relax. Let's sleep well the night before the exam. A nice dinner and sleep much earlier than usual so that your body can sleep soundly.
When you enter an area where you wish to take the ASVAB test, be sure to bring an additional number 1 pencil with your ID. You cannot enter the review page if you cannot identify yourself. Go to the checkpoint earlier than expected. This makes you more comfortable, rather than rushing, which can increase your mental stress.