10 board exam date 2024 rbse class 12 July 8, 2019 16 32 64 128 Cbse class 10 and 12 board exam date 2024 Class 10 and 12 cbse board exam 2024 date sheet Cbse board exam date sheet 2024 class 10 12 exam schedule Դաս 12 10 dasaran 10 ичиндеги сандарды кошуу 1 класс