You can get solutions to JEE Main previous year question papers on a number of online portals. Below you will find a few authentic links:

1. NTA Official Website:

The NTA does not provide question papers along with solutions, but this is where the official notifications and sample papers would be useful for an understanding of the pattern and the difficulty level of the exam.

2. Coaching Institute Websites:

Reputed coaching institutes like FIITJEE, Aakash Institute, Resonance, and Allen often provide previous year question papers with solutions on their websites or mobile apps.


How to Make Effective Use of Last Year's Papers:
Know the Pattern of the Questions: Analyze in which topics questions are frequently asked and at what level questions have difficulty.
Time Management: Pray daily to solve papers in a given time frame to enhance your speed and accuracy. Identify Weak Areas: Analyze your mistakes to identify areas for improvement. Seek Clarification: You will have doubts on some question or solution, so you must discuss with teachers or mentors.
Regular Practice: Regular practice is the key to mastering concepts and getting better at solving problems.
These tips will help along with the available resources in proper preparation for the JEE Main exam. https://engineering.careers360.com/articles/jee-main-sample-papers