Author: TheCompanyBoy

PERMUTATIONS AND COMBINATIONS IMPORTANT FACTS AND FORMULAE Factorial Notation: Let n be a positive integer.  Then, factorial n, denoted by

CLOCKS IMPORTANT FACTS The Face or dial of a watch is a circle whose circumference is divided into 60  equal

RACES AND GAMES IMPORTANT FACTS  Races: A contest of speed in running, riding, driving, sailing or rowing is called race

AREA FUNDEMENTAL CONCEPTS I.RESULTS ON TRIANGLES: 1.Sum of  the angles of a triangle is 180 degrees. 2.Sum of any two

LOGARITHMS  IMPORTANT FACTS AND FORMULAE Logarithm: If a is a positive real number, other than 1 and am = X,

BANKER’S DISCOUNT IMPORTANT CONCEPTS Banker’s Discount : Suppose a merchant A buys goods worth, say Rs. 10,000 from another merchant