I am in class 12th and i want to crack jee main 2019 april and i have completed 10% of syllab0
If your only motive is to crack JEE Main then, don't go to complete the whole syllabus you can crack JEE Main even with 40% syllabus, so just search for that 40 % at whom you are best and then if you master that syllabus then you can increase as per your convenience.
The key to crack JEE is not on completing the syllabus but more on how perfect are we on those.

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