Case study Chapter 12 (Linear programming) A share is refferred to as a unit of owner ship which represents an equal proportion of a company’s capital. A share entities the shareholders to an equal claim on profit and loss of company. Dr. Ritam wants to invest at most ₹ 12,000 in two type of shares … Read more
Case study chapter 12(Linear programming) A bakery in an establishment produces and sells flour-based food baked in an oven such as bread, cakes, pastries, etc. Ujjwal cake store makes two types of cake. First kind of cake requires 200 g of flour and 25 g of fat and 2nd type of cake requires 100 g … Read more
Case Study Chapter 12(Linear programming) A dealer Ramprakash residing in a rural area open a shop to start his bussiness. He wishes to purchase a number of ceiling fans and table fans. A ceiling fan costs him ₹ 360 and table fan costs ₹ 240. Based on the above information answer the question(Case study linear … Read more
Case study chapter 12 (Linear programming) Owner of a whole sale computer shop plans to sell two type of computers – a desktop and portable model that will cost ₹ 25000 and ₹ 40000 respectively.(Case study linear programming 1 chapter 12 class 12) Based on the above information answer the question (i) If the number … Read more
Case study Chapter 13(Probability) In answering a question on a multiple choice test for class XII, a student either knows the answer or guesses. Let 3/5 be the probability that he knows the answer and 2/5 be the probability that he guesses. Assume that a student who guesses at the … Read more
Case study Chapter 13(Probability) A reliability of a COVID PCR test is specified as follows:(Case study problem probability 8 chapter 13 class 12) Of people having COVID, 90% of the test detects the disease but 10% goes undetected. Of people free of COVID, 99% of the test is judged COVID negative but 1% are diagnosed … Read more
Case study Chapter 13 (Probability) Nisha and Arun appeared for first round of an competitive examination for two vacancies. The probability of Nisha’s selection is 1/6 and that of Arun’s selection is 1/4 based on the above information, answer the following question:(Case study problem probability 7 chapter 13 class 12) (a) Find the probability … Read more
Case study Chapter 13 (Probability) A coach is training 3 players. He observes that the player A can hit a target 4 times in 5 shots, player B can hit 3 times in 4 shots and the player C can hit 2 times in 3 shots from this situation answer the following(Case study problem probability … Read more
Case study chapter 13 ( Probability) Mahindra tractors is India’s leading farm equipment manufacturer. It is the largest tractor selling factory in the world. This factory has two machines A and B. Past recordshows that machine A produced 60% and machine B produced 40% of the output(tractors). Further 2% of the tractors produced by machine … Read more
Case study Chapter 13 (Probability ) After observing attendence register of class XII, class teacher Shri Mishra comes on conclusion that 30% students have 100% attendence and 70% students are irregular to attend class. When he observed previous year result, he found that 70% of all students who have 100% attendence attain distinction marks while … Read more