How much hour to study to get or to score 90% in board

1.	How much hour to study to get or to score 90% in board
Answer» Dont be tensed and just read contratingly how much u can.. 90 % marks lane ke liye PUBG khele ?? because i am a smart boy?? Agr 90+marks lene h to class m jo teacher kra rha h use dyan se suno or yahi ghr aa ke pdo or ghr 4se5 gnte pdo Dont study just focus on You have to study minimum 7hrs per day

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