RS Aggarwal Solutions Class 7 Maths Chapter 9 Ex 9.1 2021-22

RS Aggarwal Solutions Class 7 Maths Chapter 9 Ex 9.1: Kick start your Class 7 Maths exam prep with RS Aggarwal Solutions Class 7 Maths. You can totally rely on RS Aggarwal Solutions Class 7 Maths Chapter 9 Ex 9.1 as it is designed by the subject matter experts which make them credible and accurate. Apart from the exam prep, they will also help you with your class assignments.

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RS Aggarwal Solutions Class 7 Maths Chapter 9 Ex 9.1

RS Aggarwal Solutions Class 7 Maths Chapter 9 Ex 9.1 – Overview

Introduction

You can define the Unitary Method as the method which involves finding the value of a specific unit and then the other required units with the help of this unit.

Eg: Let us assume that you went on to the market for purchasing 5 oranges. Now, the vegetable retailer tells you that he usually sells 10 oranges for Rs 100. Looking into this scenario, we can say that the oranges are the units, while the cost of the oranges is the value.

While solving the questions on the unitary method, always make sure to write the things to be calculated on the right-hand side, and the things already known to you on the left-hand side.

Types Of Unitary Method

There are two kinds of the unitary method, mentioned below

Direct Variation
Inverse Variation

1. Direct Variation

In the direct variation, an increase, or decrease in one quantity will cause an increase or decrease in another quantity. For instance, an increase in the number of goods will cost more price.

This method states that any modifications, as in increase or decrease, happening in one particular quantity will lead to the increase or decrease, happening in the other quantities.

Eg: If the number of the goods is increased or decreased then the price of the goods will also get affected because of this, it will also hence gets increased or decreased accordingly.

2. Indirect Variation –

The Indirect Variation can be defined as the inverse of the direct Variation. It means that if the value of one quantity is decreased, then the value of another quantity will be increased. Likewise, if the value of one quantity is increased, then the value of another quantity will be decreased.

Eg: If the driver increases the speed, then he will be able to cover the entire distance in a lesser time, meaning that “With the increased speed, the time is getting decreased”. This is exactly what the Indirect Variation states.

Applications Of Unitary Method

You will understand that the Unitary Method is used in the speed, time, and distance-related word problems.
This method is also used in calculating the cost of the different materials.
The Unitary Method has also got its usage into the business world. We generally use it in the business field for getting the values of the profit and the losses.
It can be also used to understand that how much time has been taken by an individual to clear a particular route.
The Unitary Method also helps to find the exact prices of the goods and do its evaluation.

This is the complete blog on RS Aggarwal Solutions Class 7 Maths Chapter 9 Ex 9.1. To know more about the CBSE Class 7 Maths exam, ask in the comments.

FAQs on RS Aggarwal Solutions Class 7 Maths Chapter 9 Ex 9.1

How to define the unitary method?

You can define the Unitary Method as the method which involves finding the value of a specific unit and then the other required units with the help of this unit.

What are the types of unitary methods?

There are two kinds of the unitary method, mentioned below
Direct Variation
Inverse Variation

Define Indirect Variation?

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RS Aggarwal Solutions Class 7 Maths Chapter 9 Ex 9.1 (Updated For 2021-22)