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Question 1 - Page 7 - Finding Percentage Quickly - Chapter 1 Class 8 - Fractions in Disguise (Ganita Prakash II)
Last updated at February 12, 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
- 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 - Page 7 Try to calculate (without using pen and paper) the indicated percentages of the values shown in the table below. Write your answers in the table.Let's fill in the blanks using these mental tricks. Interesting Observation Notice that 20% of ๐ + 5% of ๐ = 25% of ๐ Example for ๐๐:16(20%)+4(5%)=20(25%). And, 20% of y = 2 ร 10% of y
