Class IV Mathematics
Chapter 6: The Junk Seller
Standard NCERT & CBSE aligned study curriculum. Master concepts, track accuracy, revise weak areas, and challenge yourself with 9 customized practice modes.
Class Syllabus Selection
This topic is taught in multiple grades. Switch classes to see specific curriculum details:
Syllabus Sections
Key Formulas & Equations
Click Copy to duplicateProfit Formula
Profit = Selling\ Price - Cost\ Price
Net margin when selling price exceeds cost.
Loss Formula
Loss = Cost\ Price - Selling\ Price
Negative margin when cost exceeds selling price.
Related Formulas from Adjacent Chapters
Scale Ratio
1 \text{ cm on map} = k \text{ km on ground}
[From The Way The World Looks] Proportion constant for map scales.
Fractional Litre
\frac{1}{4} \text{ Litre} = 250 \text{ mL}
[From Jugs and Mugs Fractional] Fractional liquid volume conversion.