'Many interesting illustrations are provided drawn from day-to-day life, wherever possible, to highlight difficult mathematical concepts. Hrithik acting in Krrish and Rani in Bunty Aur Bably (Chapter: Relations and Functions) is a point in case.
Further, some special problems have been framed on such lines. For instance, there is a sum involving the Mercedes-E class car.'
-Reliable Series Mathematics and Statistics Textbook ( For Commerce): Class XI, page (iii)