Problems and Solutions Percentage wise distribution of players who play four different games are given in below pie graph and total number of players are 1200. Example1: What is the total number of players who play cricket and rugby? Solution: Total number of players are 1200, Percentage of players who play cricket = 12% Percentage of players who play rugby […]
Read More →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 →Area of a Triangle In this lesson we will learn, how to calculate the area of a triangles with different formula’s. When given 1. The base and height of a triangle.2. Two sides and one angle.3. The length of three sides.4. An equilateral triangle. First we see about a triangle. A triangle is a simple […]
Read More →Solutions – Union and Intersection of two Sets 1.If X and Y are two sets such that X∪Y has 40 elements, X has 22 elements and Y has 30 elements, how many elements does X∩Y have? Solution: Given that n(X∪Y) = 40, n(X) = 22, and n(Y) = 30, n(X∩Y)= ? By using the formula n(X∪Y) […]
Read More →Solve Square Root Problems To solve square root problems, especially if we’re looking for a simple approach, here are some detailed methods we can consider: 1. Understanding Square Roots The square root of a number ( x ) is a value ( y ) such that ( y2 = x ). For example, the square […]
Read More →Mean Value – Word problems In this lesson we will learn about mean. We will also learn how to find mean of given data and solve word problems on mean. How to calculate mean Example: (1)What is the mean of 1, 2, 5, and 4. Solution : Mean = Sum of observations/Number of observations the numbers […]
Read More →Solutions of Trigonometric Ratios (1) If sin A = 4/5, find the other trigonometric ratios of the angle A. Solution: Let us draw a right △ ABC in which ∠B = 900 We know that, sin A = 4/5 = BC/AC Therefore, if BC =4k, then AC = 5k, where k is a positive number. Now, using […]
Read More →