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NCERT Solutions for Class 7 Maths Chapter 8 Comparing Quantities

iacst-2022

Comparing quantities means a relation in quantitative terms between two quantities. This deals with several topics like ratios, percentage, interest etc. In Ex 8.1, you will learn about equivalent ratios solved by comparing various ratios by converting them to a like fraction. Ratio means how many times one quantity is of the others. A :b denotes the ratio. Equivalent ratio means comparing ratio by converting them to like fractions. In Ex 8.2, students will learn about the percentage, which is another way to compare quantities—converting fractional numbers to a percentage, converting decimals to percentage and converting percentage to a fraction.

Percentage are numerators of a fraction having denominators as 100. In Ex 8.3 students will learn converting ratios to percent, increase or decrease as percent, prices related to an item or buying and selling, profit or loss as a percent and charges given on borrowed money or simple interest. The main topic and subtopics of this chapter are :

  • Equivalent Ratio
  • Percentage
  • Converting fraction into percentage
  • Converting decimals to percentage
  • Converting percentage to fraction or decimal
  • Use of percentage
  • Interpreting percentage
  • Ratios to a percentage
  • Increase or decrease as per cent
  • Price related to an item that is incurred during buying and selling
  • Profit or loss as a percentage
  • Simple interest
  • Interest for multiple years

 

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Also See
NCERT Solutions for Class 7 Maths Chapter 1 Integers NCERT Solutions for Class 7 Maths Chapter 2 Fractions and Decimals NCERT Solutions for Class 7 Maths Chapter 3 Data Handling
NCERT Solutions for Class 7 Maths Chapter 4 Simple Equations NCERT Solutions for Class 7 Maths Chapter 5 Lines and Angles NCERT Solutions for Class 7 Maths Chapter 6 Triangles
NCERT Solutions for Class 7 Maths Chapter 7 Congruence of Triangles NCERT Solutions for Class 7 Maths Chapter 9 Rational Numbers NCERT Solutions for Class 7 Maths Chapter 10 Practical Geometry
NCERT Solutions for Class 7 Maths Chapter 11 Perimeter and Area NCERT Solutions for Class 7 Maths Chapter 12 Algebraic Expressions NCERT Solutions for Class 7 Maths Chapter 13 Exponents and Powers
NCERT Solutions for Class 7 Maths Chapter 14 Symmetry NCERT Solutions for Class 7 Maths Chapter 15 Visualizing Solid Shapes

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