i have only 6 months left.havn't done anything.how much time should i devote for theory and question practice for jee main 2018

Six months are enough for practice for JEE Main. If you want to crack your exam make sure you practice a lot. First, complete your syllabus and solve as many as questions releated to it. So, that you can do both the things side by side. Make sure your concepts are clear and you have strong fundamentals. Focus on the important topics you can solve MCQs for your practice. Refer previous year papers and mock test series for your practice. Give proper time to revision as well.

All the Best!!

• have a study plan in place
• Follow the plan
• Go through the syllabus and find out the difficult areas. Start with them first.
• Ensure that you meet you target for the week or day without miss
• Do timely revision. It will ensure what you have studies remain fresh
• Take notes. It will help immensely as exam day approaching; revision becomes much easier and faster with notes. So, make sure you take notes of all important notes.
• Solve sample papers and previous years question papers.
• Finally, don't get too serious about the exam. Have a life, do normal stuff. Drink and eat healthy. And yes, exercise, or at least go for a walk. It is rinse away the tensions and anxiety building over the day (s).