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RS Aggarwal Solutions Class 7 Chapter-9 Unitary Method (Ex 9A) Exercise 9.1

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Last updated date: 23rd May 2024
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Vedantu Class 7 Chapter-9 Unitary Method Free PDF RS Aggarwal Solutions

Free PDF download of RS Aggarwal Solutions Class 7 Chapter-9 Unitary Method (Ex 9A) Exercise 9.1 solved by Expert Mathematics Teachers on Vedantu.com. All Exercise 9.1 Questions with Solutions for Class 7 RS Aggarwal to help you to revise the complete Syllabus and Score More marks. Register for online coaching for IIT JEE (Mains & Advanced) and other engineering entrance exams.

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Advantages of Preparing Through Vedantu

At Vedantu you will find Rs Aggarwal Solutions for Class 7 Maths Chapter 9 Unitary Method with clear step-by-step explanations. These Unitary Method Solutions are incredibly popular among Class 7 students since they help you do your homework and prepare for exams swiftly. All problems and answers from Chapter 9 of the Rs Aggarwal Book for Class 7 Maths are available here for free. All of the Rs Aggarwal Solutions for Class 7 Maths has been written by specialists and are guaranteed to be correct. RS Aggarwal's Class 7 textbook uses a unitary technique. RS Aggarwal Class 7 Maths Solutions of Chapter- Unitary method Exercise-9A are available in pdf format. Chapter- The unitary technique necessitated both conceptual clarity and a high level of practice. Solve all Unitary Method questions from the RS Aggarwal Class textbook on your own.

A few Examples of Questions are : 

  1. If 15 mangoes cost RS. 110, What do 39 mangoes cost ?

Solution:       Cost of 15 mangoes =      RS. 110 

                     Cost of 1 mango       =      Rs.  110/15

                     Cost of 39 mangoes =      Rs.   110/15*39

                                                      =      22*13

                                                      =      286

Assume you go to the store to buy six apples. The shopkeeper informs you that 10 apples are for Rs 100. The apples are the units in this scenario, and the cost of the fruit is the value. It's critical to understand the units and values while using the unitary technique to solve a problem.

Always write the things to be computed on the right-hand side and the things known on the left-hand side to simplify things. The number of apples is known in the problem above, but the worth of the apples is unknown. It's worth noting that this method's problems are solved using the ratio and proportion concepts.


Types of Unitary Method: 

  1. Direct Variation

  2. Inverse Variation

Direct Variation: 

Indirect variation, An increase or decrease in one quantity will result in a change in another quantity. An increase in the number of commodities, for example, will result in a higher price.

Furthermore, the amount of work done by a single man will be less than that done by a group of men. As a result, as the number of men increases, so does the amount of work.

Indirect Variation: 

Direct variation is the inverse of this. When one quantity is increased, the value of another quantity decreases. If we improve our speed, for example, we can complete the distance in less time. As a result, as speed increases, the trip time decreases.

FAQs on RS Aggarwal Solutions Class 7 Chapter-9 Unitary Method (Ex 9A) Exercise 9.1

1. How is Unitary Method related to our daily lives?

The unitary method is quite effective in resolving a variety of challenges that we encounter in our daily lives. The following are some of the unitary method's real-world applications:

If the speed and distance are given in different numbers, calculate the speed of an object for a given distance.

To estimate how many people are needed to do a particular quantity of work.

If the ratio of the area and side of a square of a specific length is given, find the area of the square.

If the cost and number of things are given in different quantities, find the cost of a specified number of objects.

To calculate the percentage of a given quantity.

2. Where can I find the best resources for Unitary Method?

Maths is different from the other subjects. Irrespective of whether a student is in the arts, science, or commerce path, he or she must have some fundamental math skills. Having a basic understanding of arithmetic will not only assist you in achieving good grades on academic exams but will also assist you in the future. However, it has been observed that many kids these days are uninterested in studying math due to its difficulty. Vedantu, on the other hand, provides the finest solution for this.

The Internet has a plethora of platforms for education and learning in today's world. To simplify and organize your learning, you must concentrate on the proper one, which should also provide you with adequate support. Vedantu should be the sole learning platform that comes to mind when it comes to student support and study material quality.

3. How can I practice for the Unitary Method?

The unitary method allows us to calculate the value of one unit from the value of many units, as well as the value of many units from the value of one unit. It is a method that we use for the great majority of mathematical calculations. You can use this strategy to solve issues in ratio and proportion, geometry, algebra, and other subjects.


We can find the missing value by utilizing the unitary technique. For example, if one packet of milk costs $5, how much would three such packets cost? We can simply calculate the cost of three packets to be $15. 

4. How can I score good marks in Mathematics in my class?

This subject is all about equations, theories, and concepts, therefore you should always have them on hand. Even while you're on the run, you can read them. When you're doing last-minute revisions, this technique comes in handy. It is beneficial to work through a variety of questions. 

It is simple to learn and understand theories and concepts, but it is more difficult to learn how to apply them. So, if you want to get full marks in Mathematics, you must solve each question at least three to four times on your own.

5. How many hours should I study daily for my Class 7th Exam?

When it comes to studying to become a topper, it's not about the amount of time you have, but rather about your concentration and knowledge.If a 7th-grade student studies for 2-3 hours per day with complete focus, he or she will undoubtedly succeed.The ability to grasp the notion is equally important.You can answer any question if you fully comprehend all of the principles.Believe in your hard work it will definitely bear fruits, and most importantly have patience.