PSC and other competitive exams always contains questions with shake hands. Lets see how can we solve the questions with shake hands Type 1: Find Shake hands if number of people is given Total Number of shake hands exchanged if n people shake hands each other = (n2-n)/2 = (n(n-1))/2 Q1: How many shake hands […]
Sum of First n odd Numbers Sum of First n odd Numbers = N2 Where N = (max no + 1)/2 Q1: What is the sum of first 5 odd numbers? N = 5; So the numbers are 1, 3, 5, 7, 9 So N2 = 52 = 25 i.e. 1+3+5+7+9 = 25 Q2: What is […]
Mohandas Karamchand Gandhi or M K Gandhi was the preeminent leader of the Indian independence movement in British-ruled India. Employing nonviolent civil disobedience, Gandhi led India to independence and inspired movements for civil rights and freedom across the world. Indians widely describe Gandhi as the father of the nation. Gandhi is famous for his non […]
Horses had been faithful companions to Man for a long time. There are a fair few which became famous for their undulating loyalty and service to renowned warriors and militaries in history. Here are names of some Horses of some eminent Personalities which have been asked many times in PSC exams Sree budhan Kandakan Shivjaji […]
A number is a mathematical object used to count, measure, and label. A notational symbol that represents a number is called a numeral. In addition to their use in counting and measuring, numerals are often used for labels (as with telephone numbers), for ordering (as with serial numbers), and for codes (as with ISBNs). Classification […]