Bar Graph Problems and Solutions Example: (1) Favourite colour of 200 students of a class are given in the below table. Answer the following questions with the help of the bar graph. (1) Which is the most preferred colour and which is the least preferred?(2) How many students preferred red colour? Solution: First we choose a suitable […]
Read More →Pictograph – Advantage and Disadvantages Advantage of a pictograph A pictograph is simple and easy to analysis. In a pictograph objects or symbols represents numbers, is more interesting and easier to understand. Disadvantages of a pictograph Pictograph is […]
Read More →Percentage – Solved Examples Example 1: A local cricket team played 300 one day matches in a year and won 25% of them. How many matches did they win in a year? Solution: Given that, Number of matches played by cricket team = 300 Percentage of won matches = 25% total matches won […]
Read More →Odd numbers Definition: If any integer that can not divide exactly by 2, is an odd number. Simply, If we divide any integer by 2, and remainder is one, we get an odd number. The last digit of odd numbers is 1, 3, 5, 7, 9, 11… Example: 11, 23, 35, 47, 69, all are odd numbers. […]
Read More →Word Problems – Percentage – Increase & Decrease Example 1: Gasoline price in year 2017 is $5.38/gallon, and in 2018 it’s price 5.68. What is the percentage of increase. Solution: Original price of gasoline is = $5.38/gallonNew price = $5.68 price increase = 5.68 – 5.38 price increase = 0.38/gallon […]
Read More →Converting Fraction into Percentage Converting a fraction into a percentage involves a simple process. Here’s a detailed explanation with examples to help we understand the steps clearly: Steps to Convert a Fraction into a Percentage 1. Understand the fraction: A fraction consists of two numbers, the numerator (top number) and the denominator (bottom number). A […]
Read More →Percentage: Solved Problems When we solve different type of percentage problems then we solved examples on percentage, they will help us to understand problems easily. Now we will learn, the concept of percentage and solve various real life examples on percentage. Example 1: In a village 35% are females, 50% males and remaining are children, find the […]
Read More →Introduction – Percentage Definition: A Percent is a number or ratio expressed as a fraction of 100. In other words, Percent is a fraction of denominator 100. Percent is denoted by the symbol %. ‘Per’ ‘cent’ means out of 100. The percent symbol is written to the right side of the number, like this 15%. Example: 25% (read as twenty five percent) […]
Read More →Elements of a Set Definition: A number, letter or any object contained in a set is known as “Element of the set”. Example 1: Let set A = {1, 2, 3} so the elements of set A are 1, 2 and 3. let see this example in Venn diagram, […]
Read More →Universal Set In this lesson, we will learn what is a universal set and representation of universal set in venn diagrams. Definition: The set that contain all the elements of a given collection, and therefore all sets are subset of the Universal Set is known as the Universal Set. Symbol: Universal Set is represented by symbol “U”. […]
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