Examples
Example 2 Important
Example 3 Important
Example 4 (a)
Example 4 (b) Important
Example 4 (c)
Example 5
Example 6
Example 7 Important
Example 8 Important
Example 9
Example 10
Example 11 Important You are here
Example 12 Important
Example 13
Example 14 Important
Example 15 Important
Question 1 Deleted for CBSE Board 2025 Exams
Question 2 Deleted for CBSE Board 2025 Exams
Question 3 Important Deleted for CBSE Board 2025 Exams
Question 4 Important Deleted for CBSE Board 2025 Exams
Question 5 Deleted for CBSE Board 2025 Exams
Question 6 Important Deleted for CBSE Board 2025 Exams
Last updated at April 16, 2024 by Teachoo
Example 11 The number of illiterate persons in a country decreased from 150 lakhs to 100 lakhs in 10 years. What is the percentage of decrease? Initial number of illiterate people = 150 lakhs Number of illiterate people after 10 years = 100 lakhs Decrease in number of illiterate people = 150 − 100 = 50 lakhs Percentage decrease = (𝑫𝒆𝒄𝒓𝒆𝒂𝒔𝒆 𝒊𝒏 𝒏𝒖𝒎𝒃𝒆𝒓 )/(𝑰𝒏𝒊𝒕𝒊𝒂𝒍 𝒏𝒖𝒎𝒃𝒆𝒓) × 100% = 50/150 × 100% = 5/15 × 100% = 1/3 × 100% = 100/3 % = 33 𝟏/𝟑 %