Rule No 1
To find the total number of persons/things of a single row, when ranks of one person/things is/are given from both sides of the row.
Formula: Total number of persons/things = Rank from Left end + Rank from Right end – 1
Example:
In a row of girls, the position of Radhika is 38th from the left side of the row, and the position from the right side of the row is 19th. Find the total number of girls in that row.
Solution:
Total no. of person= (The position of Pooja from the left end + the position of Pooja from the right end) – 1
Therefore, the total no. of person is = (38 + 19) – 1= 57 – 1 = 56
Hence, the total number of girls in that row is 56.
Order and Ranking : Concepts, Questions, Solved Examples
There are many different types of questions that are asked from the order and ranking topic. Those questions are generally related to rank from the left, right, top, and bottom, the total number of persons, products or elements, etc. Thus, many different types of questions can be formed based on the position or the rank of the persons, things, or products. In this topic, we will discuss how the concepts of Order and Ranking works. Let us understand, it with the help of the important rules:
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