Ex 82 Class 8 Maths Question 3. For Board exams as well as JEE Mains and Advance you can take a look on these formulas. Trigonometry Formulas for Class 10 Maths Chapter 8.
Product of extremes Product of means.
81 Recalling Ratios and Percentages 82 Finding the Increase or Decrease Per Cent 83 Finding Discounts 831 Estimation in percentages 84 Prices Related to Buying and Selling Profit and Loss 841 Finding cost. Each chapter is covered for making the students easy to learn each and every chapter important notes. CBSE Revision Notes Class 8 Maths Chapter 8. Quantities written in ratio have the same unit.