A QR code on the Class 12 Central Board of Secondary Education (CBSE) mathematics question paper redirects to a YouTube video of English singer Rick Astley’s 1987 hit song “Never Gonna Give You Up”, ...
CBSE Board Exams 2026: CBSE said that multiple security features are embedded in question papers, including QR codes that allow authorities to verify the authenticity of the paper in case of a ...
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