A QR code in the CBSE 12th Maths paper leads to the 'Rickroll' prank - a popular music video for Rick Astley's 1987 hit, 'Never Gonna Give You Up'.

The Joint Entrance Examination (JEE) Main 2026 is one of the most competitive engineering entrance exams in India, conducted by the National Testing Agency (NTA) for admission to top engineering ...