Stock up on blue-ink pens and save the other ink colors for another day. You'll be more likely to stay out of legal trouble that way.

we can compare them to ordinary ballpoint pens. When light hits the ink of a blue pen, the ink reflects blue light and absorbs other colours, which is why the ink appears blue. Highlighter pens ...

CBSE will begin Class 10 and 12 board exams on February 15, 2025. The board advises students to focus on neat presentation ...