This article was last updated on 13 October 2021. The basic reproduction number, also known as the R or R0, is the average number of people one person with an infectious disease will likely infect in ...

Logical Math Riddles for 8th Class: There’s no better exercise for the brain than a creative puzzle. Have you ever found yourself scratching your head and spending hours on a single riddle, puzzle or ...

Randomly scramble the digits 0, 1, 2, 3, 4, 5 and 6 to form a seven-digit number (or a six-digit number if the leading digit is 0). Rank the following events in order ...