CBSE clarifies viral ‘Rickroll’ QR code in Class 12 maths paper, says exam security intact India TodayCBSE Class 12 Maths Paper QR Code Leads To ‘Rickroll’, Sparks Social Media Buzz NDTVCBSE Class 12 Maths Exam: Board Clarifies After QR Code on Paper Leads to Rickroll Video Telegraph IndiaCBSE issues clarification on YouTube QR code in Maths paper, here’s why there are QR codes on question papers The Times of IndiaCBSE question paper QR code didn’t just lead to any song; it’s a 1987 dance hit that sparked ‘Rickrolling’ Hindustan Times Read More