Case study class 9 maths

A classroom has two parallel boards, Board A and Board B, on opposite walls. Two students, Rahul and Riya, are standing in the classroom, facing the boards. Rahul is standing between the two boards and looking at Board A, while Riya is standing near Board B and looking at Board A. They observed the following: • Rahul and Riya are facing each other. • Rahul’s left hand is pointing towards the ceiling. • Riya’s right hand is pointing towards the floor. Based on this information, the students were asked to analyze the angles formed by the hands of Rahul and Riya. Let’s see if you can answer the questions correctly: Answer: (a) Right angle Q2. The angle formed between Riya’s right hand and her line of sight is a: (a) Right angle (b) Obtuse angle (c) Acute angle (d) Straight angle Answer: (a) Right angle Q3. The angle between the hands of Rahul and Riya is a: (a) Complementary angle (b) Supplementary angle (c) Vertical angle (d) Adjacent angle Answer: (c) Vertical angle Q4. The angle formed between Rahul’s left hand and Riya’s right hand is a: (a) Complementary angle (b) Supplementary angle (c) Vertical angle (d) Adjacent angle Answer: (b) Supplementary angle Q5. The sum of all the angles formed by the hands of Rahul and Riya is: (a) 180 degrees (b) 360 degrees (c) 90 degrees (d) 270 degrees Answer: (b) 360 degrees Case Study 2.A group of students is learning about the properties of angles and the concepts of lines. During their study session, they encountered the following sce...

CBSE 9th Standard CBSE Mathematics question papers, important notes , study materials , Previuous Year questions, Syllabus and exam patterns. Free 9th Standard CBSE Mathematics books and syllabus online. Practice Online test for free in QB365 Study Material. Important keywords, Case Study Questions and Solutions. Updates about latest education news and Scholorships in one place. Copyright © All rights reserved by Linlax | Question Paper Software for Schools & Teachers Qb365 | OTI365 Qb365 | TimeTable Software Qb365 | PayRoll Software Qb365 | Indian Product Store Qb365 | Our Videos Qb365 | NEET Preparation Qb365 | QB365 Learning App Qb365 | Online Practice Tests for All Competitive and Career Exams. OnlineTestsIndia

Page 2 : CASE STUDY QUESTION 22, The COVID-19 pandemic, also known as the coronavirus pandemic, is an ongoing, pandemic of coronavirus disease 2019 (COVID-19) caused by severe acute, respiratory syndrome coronavirus 2 (SARS-CoV-2). It was first identified in, December 2019 in Wuhan, China., During survey, the ages of 80 patients infected by COVID and admitted in the one of, the City hospital were recorded and the collected data is represented in the less than, cumulative frequency distribution table. Page 3 : Age(in yrs) No. of patients, 5 – 15, 6, 15 – 25, 11, 25 – 35, 21, 35 – 45, 23, 45 – 55, 14, 55 – 65, 5, , Based on the information, answer the following questions :, (a) The class interval with highest frequency is :, (i) 45-55, (ii) 35-45, (iii) 25-35, (iv) 15-25, Highest frequency is 23, which belongs to 35 – 45., (b) Which age group was affected the least?, (i) 35-45, (ii) 25-35, (iii) 55-65, (iv) 45-55, Ans: (i) 35-45 Page 4 : (c) Which age group was affected the most?, (i) 35-45, (ii) 25-35, (iii) 15-25, (iv) 45-55, Ans: (i) 35-45, , Age(in yrs) No. of patients, 5 – 15, 6, 15 – 25, 11, 25 – 35, 21, 35 – 45, 23, 45 – 55, 14, 55 – 65, 5, , (d) How many patients of the age 45 years and above were admitted?, (i) 61, (ii) 19, (iii) 14, (iv) 23, Ans: (ii) 19

• HOME • NCERT SOLUTIONS • Class 10 • Class 9 • Class 8 • Class 7 • Class 6 • Class 5 • Class 4 • Class 3 • Class 2 • Class 1 • CLASS 10 • Syllabus • Toppers Notes • Science • Maths • Social Science • Topper’s Answer Sheet • Revision Notes • Science • Maths • MCQ • Science • Social Science • Maths • English • Reference Books • Olympiads • NTSE • CLASS 9 • Syllabus • Topper Notes • Science • Social Science • MCQ • Science • Maths • Social Science • Reference Book • CLASS 8 • Syllabus • Topper Notes • Science • Maths • History • Geography • Civics • MCQ • Science • Maths • Social Science • Toggle website search In CBSE Class 9 Maths Paper, Students will have to answer some questions based onAssertion and Reason. There will be a few questions based on case studies and passage-based as well. In that, a paragraph will be given, and then the MCQ questions based on it will be asked. Circles Case Study Questions With answers Here, we have provided case-based/passage-based questions for Class 9 Maths Chapter 10 Circles Answer: (d) 60° Case Study/Passage Based Questions Rohan is a class 9th student. He did not attend school as his health is not fine for a few days. At home, he opens his Maths textbook and observes chapter circles. He was so much curious to know about the properties of circles. His father Mr. Raman, who is also a good Mathematician helps Rohan to understand all properties one by one. At last, he asks some questions to Rohan for quick revision. Help Rohan to answer th...