The Central Board of Secondary Education has clarified that Class 12 Mathematics question papers remain secure despite some QR codes reportedly linking to a YouTube video. Introduced in 2019 to verify ...
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CBSE class 12 maths exam: Question paper QR code leads to rickrolling, board issues clarification
The Central Board of Secondary Education is once again in the news, but this time for a music video. The board conducted its Class 12 Maths exam on March 9, 2026. Since the exams concluded, students ...
Scientists have created the smallest QR code in the world, measuring just 3.07 × 10⁻⁹ square inches (1.98 square micrometers). It can preserve data for thousands of years and it's so small that you ...
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