Variables and Constants in Algebra LITERALS OR VARIABLES The letters used to represent numbers or some other quantities in general are called literal numbers or simply literals. Literals can take any value. They are also called variables.For example, Rohan borrowed x = Rs. 50 from Suresh; Mona got y = 16 candies. Hence, x and y denote numbers and are called literal … [Read more...] about Variables and Constants in Algebra