Neet mock test is just a test for you to understand the exam. It is like a practice test. Questions of the both exam will obviously different. May be you feel like different or easy. You wrote your neet exam after clear understanding and after real preparation, hence there is a great chance for you to get more marks in neet exam than mock test.

If you want to check the colleges with your rank, you can check here, https://medicine.careers360.com/neet-college-predictor?utm_source=qna&utm_medium=neet_cp