Home/CBSE issues clarification on YouTube QR code in Maths paper, here's why there are QRs on papers Asia India CBSE issues clarification on YouTube QR code in Maths paper, here's why there are QRs on papers Crime CBSE The Central Board of Secondary Education YouTube Rick Astley's Sources (2) CBSE issues clarification on YouTube QR code in Maths paper, here's why there are QRs on papers Times of India · 10 March 2026 'Rickrolling' in board exam? CBSE Class 12 maths paper QR code 'leads' to song, sparks viral buzz Times of India · 10 March 2026