The prank, called Rickrolling, involves tricking someone into clicking a link that unexpectedly leads to the song's video.

A QR code printed on a Class 12 mathematics paper of the Central Board of Secondary Education has sparked a viral debate ...

Students appearing for the CBSE Class 12 Mathematics exam were in for a surprise after scanning a QR code printed on their question paper. Images of the paper doing the rounds on social media suggest ...