Introduction to Operations Research
This lesson defines operations research and explains its application in management, industry, and business. It covers the steps involved in solving problems using mathematical models and discusses different types of models used in operations research.
- 00:51 “That is our operation research, what it's this with. It's this with how we can solve problems in some of these areas that is in management, industry, business, commerce, and organization. And it also deals with effective...”
- 00:02 “Good day, my name is Afeez Adedokun I'll be taking you for the math and the topic is operations research. At the end of this topic, you should be able to differentiate the mooders of operation research. So, a practical e...”
- 29:32 “plus 9 times 1, then we multiply it by 1 million, and that is 8 times 1 we give us 8 times 6 we give us 6, and 6 times 1 we give us 6, and 9 times 1 we give us 9, so having this together, we have that is 8 plus 6 plus 6...”
Commercial Arithmetic: Profit and Loss
This lesson covers the concepts of profit and loss in commercial arithmetic. Students will learn to identify cost price and selling price, and how to calculate profit or loss these values. The lesson also includes calculating profit or loss in percentage.
- 00:00 “Hello, my name is Oyase. Sunday. I will be taking you mathematics JSS2 class. We're looking at an interesting topic for today. The topic is transaction in the home and offices. Transaction in the home and offices, we're...”
- 00:47 “The objective is able to solve simple commercial arithmetic relating to profits, interest, discount and commission. How do you walk around commercial arithmetic relating to profits, interest, discount and commission? Tha...”
- 10:59 “That's P. So, either the formula you apply depends on what the question is actually to look for. Pick up the first question, question number two. Esella buys 20 pair of women's sneakers from manufacturer, 20 pair, 10-min...”
Cost of Production
This lesson covers the concept of cost in economics, focusing on the cost of production. It explains different types of costs, such as fixed and variable costs, and discusses the factors of production that contribute to overall costs.
- 25:58 “okay, over changing quantity, anything marginal, the first line is always dash, you can see, here, for the first unit is dash, so you start from the second one, very easy, even without capital it or you can do this, just...”
- 33:04 “This is all. You need to know in the rest of the world. Of course concepts. OK. So I'll be giving you an assignment in the rest of this topic. And I want to lay your hands on past questions. I mean SSC past question. Que...”
- 14:26 “to incur more costs for it to get a better worth service, than the cost of where as well. The cost of field is another good example of worth of a variable cost, and your variable cost, what is the graph, look at the boar...”
Factors of Production
The lesson covers the concept of production and its types. It explains the factors of production, division of labor, and specialization. The advantages and disadvantages of division of labor and large scale production are also discussed.
- 25:36 “as a case may be. Now division of labor also leads to the development of great ask you. So we talked about specialization when one person does one part of the work and they continue to drop out of work, then they can dev...”
- 28:41 “have a t-shirt in the same color, same shapes, same size, same everything and you have like a million pieces of it because the labor was divided and it was done very fast. And then the vision of labor also brings about e...”
- 00:00 “Hello guys, welcome to this lesson and this is economics where SS1, my name is Cornelius and I'm your instructor and today's in this lesson we'll be talking about theory of production and in our lesson we're going to be...”
Types of Production
This lesson defines production and explains its types, including primary, secondary, and tertiary production. It also discusses the extraction of raw materials and the transformation into finished goods.
- 17:35 “machinery, equipment. All these things are being included as capital. Then we have reward for capital as interest. The reward for capital is world interest. Right, we have the entrepreneur. The entrepreneur is the owner...”
- 10:57 “to get those goods to be consumers are either by air, by water or by road, okay? And before those goods will be able to get to the consumer, it may be stored in our warehouse, okay? Until those goods are being needed. An...”
- 08:24 “level of production. Constructive industry is also under secondary level. At this stage or at this type of production, those industries are concerned with the construction of activity, the industry is also under secondar...”
Basic Economic Problems
This lesson covers the basic economic problems faced by society, including scarcity and resource allocation. It explains different economic systems such as capitalism, socialism, and mixed economy, and how they address these problems. The role of market forces in regulating the economy is also discu
- 30:23 “what the production is going to or how the production has been designed. We have industries that have templates or how to go about producing their products. So that template or that's the way the production takes place w...”
- 34:13 “better way we could have used the resource. So that's what we mean when we say optimum use of the factors of production. So we want to get the highest possible output and we want to reduce cost, we want to keep costs at...”
- 28:46 “to manufacture those goods. Now, we move on to how to produce. So when we've decided what we are going to produce, we need to decide on how we're going to go about the production. Now, this problem arises as a result of...”
Types of Warehouses
The lesson covers the definition of warehousing and its role in storing goods. It explains different types of warehouses, including bounded warehouses, and discusses their functions and importance in business. The advantages and disadvantages of warehousing are also listed.
- 08:34 “And he comes to Mr. B's storage facility, which is the warehouse, and pays a sum of money for a period of time to store his items. So, that is how the public warehouse operates. Now, we have the manufacturers' warehouse....”
- 21:46 “Then we have complicated process of backward technology can reduce the story of goods by some producers. Now, for very, very advanced warehouses, they put backwards on each item that is brought into the warehouse. The ba...”
- 12:55 “The one stored in the warehouse is enough to provide for the needs of the public and consumers. Then, there's continuity in production. So, somewhere when I was explaining the manufacturer's warehouse, that this producti...”
Basic Operations on Whole Numbers
This lesson covers addition and subtraction of whole numbers, including how to align numbers by their place values. It also explains multiplication and division by 10, 100, and 1000, and introduces the use of the BODMAS rule for solving mixed operations.
- 00:10 “Good day, everyone. My name is Mr. Akala. I'll be your mathematics teacher for today. And the topic before me is basic operations on all numbers. Again, basic operation on all numbers. The learning objectives are followe...”
- 45:51 “that's the answer to 6, so now we're also going to treat what problems, we're going to, because there is no out, you want to have what problems on basic operations, especially when you have to run errands for your parent...”
- 52:01 “how many will each 2 get, so it shows that from the calculation, each code we get, each code we get 149 computers, each code we get 149 computers and how many will be left over, the left over remainder is, remainder is 2...”
Departmental Accounts
This lesson covers the definition and purpose of departmental accounts. It explains how to prepare these accounts to show the performance of different departments in a business. The lesson also discusses the advantages of using departmental accounts for comparison, error detection, and managerial as
- 11:05 “If there are up to five departments, you need to create columns for each of the five departments. Because you want to compare and contrast these departments. Now, we also look at the courage involved. What's the cost of...”
- 09:31 “Some questions even ask for all these things. So you need to sit down and study closely. Let's look at the formats of a departmental accounts. The departmental accounts is usually prepared in a columnar form with separat...”
- 02:30 “than the other, the commission it receives will be more than others. Therefore, it helps in monitoring the progress of each department. Five, the growth profits of each department can easily be ascertained. Now, what hap...”
Punctuality and Regularity in Work
This lesson explains the concepts of punctuality and regularity. It covers the attributes of both concepts and their importance in achieving high performance at work. The lesson also discusses the consequences of not being punctual and regular, as well as the meaning of devotion to duty.
- 11:58 “and development. One is increased in productivity. Once workers are devoted, there will be increment in productivity. Number two is full utilization of machine. There will be a boot to utilize or have knowledge on how to...”
- 13:34 “Then we have the sixth point, it increases sales. Division to duty increases sales because the more you produce, more you have goods and stock, more you have more sales. And the last one is expansion of the organization....”
- 12:43 “Therefore, when a worker put in more time or being devoted to the work given to him or her, he or she is likely to have greater or more employment opportunity to a higher level. Right? Then the fourth one is increase in...”
Labour Market and Labour Force
This lesson covers the definition of the labour force and its components. It explains the concept of the labour market, including how wage rates and conditions of service are determined. The lesson also discusses the efficiency of labour in production processes.
- 05:05 “For example, we have chain processes. The product moves from here to this portion and this is done. When management is able to create that system where the production process is seamless, then we have an efficient labour...”
- 05:59 “Now if the work can be broken into component parts and which will now make the work move faster, but we decide to keep it and have one worker do the work from start to finish, then we're going to have a very inefficient...”
Revenue Types
This lesson defines revenue and explains its three main types: total revenue, average revenue, and marginal revenue. It covers how to calculate each type and their relationships to production and sales.
- 05:10 “So, let's get the words, the solution to these words, so this interesting question won't have to the other. Look at the board, here you have what, P is on the wall, it's first on the CR, remember the formula I give to us...”
- 15:24 “where do you have maximum profit, maximum profit, okay, so, let's go to the next one, 9, and 8, is that profit, yes, how much profit, profit of 1, R, I know, you see, 9 minus worth, 8, the difference between your, c, R,...”
Careers and Applications in Chemistry
This lesson covers various career paths available for students studying chemistry, including roles in education, engineering, and health services. It also explains the applications of chemistry in food production, medicine, military, and environmental science.
- 03:08 “that we use in majorly in our farms. The next is medicine. The production of drugs and various medical services as a result of what chemistry. The next application of chemistry is in the military and space science. In th...”
- 02:21 “and their lives, which also includes laboratory assistants. The next career part is manufacturing industry. These people are the researchers and chemical engineers. They also involve in manufacturing produce like steel a...”