January 2026
Intermediate
664 pages
21h 8m
English
Content preview from Pearson IIT Foundation Class 8 Math, 2026
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CHAPTER 4
Ratio, Proportion and Variation
Key Ideas
After completing this chapter, you should be able to:
✦ Know the properties of ratio and compare the ratios.
✦ Explain different types of ratios.
✦ Find mean proportion.
✦ Understand the types of variation such as direct variation, inverse variation and joint variation.
Remember
Before beginning this chapter, you should be able to:
✦ Understand the definitions of ratio and proportion.
✦ Solve ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.