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Question 1 - Figure it out - Page 19, 20 - Chapter 1 Class 8 - Fractions in Disguise (Ganita Prakash II)
Last updated at February 13, 2026 by Teachoo
Class 8 (Ganita Prakash - 1, 2 & Old NCERT)
Chapter 1 Class 8 - Fractions in Disguise (Ganita Prakash II)
- Percentage - Definition
- Figure it out - Page 3, 4
- Uses of Percentages
- Percentage of Some Quantity
- Finding Percentage Quickly
- Fractions, Decimals, and Percentages
- Percentages Greater than 100
- Figure it out - Page 12, 13, 14
- Comparing Proportions using Percentage
- Percentage Increase or Decrease
- Profit and Loss
- Taxes
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Figure it out - Page 19, 20
- Growth and Compounding
- Figure it out - Page 22, 23, 24
- Depreciation
- Tricky Percentages
- Finding Mistakes in Percentages
- Figure it out - Page 28, 29, 30
Transcript
Question 1 If a shopkeeper buys a geometry box for ₹75 and sells it for ₹110, what is his profit margin with respect to the cost?Given Cost price = ₹ 75 Selling Price = ₹ 110 We need to find Profit margin, i.e. Profit Percentage Now, Profit margin = Profit percentage = 𝑷𝒓𝒐𝒇𝒊𝒕/(𝑪𝒐𝒔𝒕 𝑷𝒓𝒊𝒄𝒆) × 100 = (𝑆𝑒𝑙𝑙𝑖𝑛𝑔 𝑃𝑟𝑖𝑐𝑒 − 𝐶𝑜𝑠𝑡 𝑃𝑟𝑖𝑐𝑒)/(𝐶𝑜𝑠𝑡 𝑃𝑟𝑖𝑐𝑒) × 100 = (𝟏𝟏𝟎 − 𝟕𝟓)/𝟕𝟓 × 100 = 35/75 × 100 = 7/15 × 100 = 𝟕/𝟑 × 20 = 140/3 = 46.666… % Thus, The profit margin is approximately 46.67%.
