1) The concept of compound interest can be attributed to the ancient Babylonians, who used it in their banking practices.

2) The tongue of a blue whale is so big that about 50 people could stand on it.

3) In Hindu mythology, the Trimurti consists of the three major gods: Brahma (the creator), Vishnu (the preserver), and Shiva (the destroyer). They represent the cycles of creation, preservation, and destruction, respectively, and together embody the cosmic forces that shape the universe.

4) Banks play a vital role in the economy by facilitating the flow of funds between savers and borrowers, providing loans, and offering various financial services.