Hello

Class 10th contains Subjects as Mathematics, Science, English, Hindi, and Social Science as main subjects. As you have not mentioned your board, medium of learning, I can not give you the exact answer, but to practice mock tests, you can refer to Careers360.com (//Careers360.com) , as it will help you a lot to score well and to practice well. https://learn.careers360.com/test-series-cbse-class-10-free-mock-test/

Just visit the above link; it is totally free, and you can practice from there.