About This Cheat Sheet

Complete guide to Average for competitive exams: definition and formula (Average = Sum of observations / Number of observations), weighted average, average speed formula (2ab/(a+b) for equal distances), average of first n natural numbers (n+1)/2, average of squares/cubes of first n natural numbers, average of consecutive numbers, average of numbers in arithmetic progression, age based average problems, when a person joins or leaves group, replacement problems (new average after replacing a member), average of numbers with common difference, shortcut tricks for finding average without addition, average based on deviations method, and important formulas for SSC, Banking, Railway, UPSC, and other government exams.