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(published by Bharati Bhawan ) remains a legendary tool for honing high-level problem-solving skills. Why This Book is a Legend in JEE Prep Unlike standard textbooks that focus on teaching basics, Problems Plus
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(Deducting 0.5 only because it hasn't been updated to match the current objective/integer-type exam pattern).
Spend at least 15–20 minutes on a single tough problem before looking for hints. The growth happens in the struggle.