Monomath – CBSE | GSEB | IB | JEE Maths by Ajay Yadav (Math King of Katargam) – 15+ Years Experience. Study Notes, Video Lessons, Formula Sheets & PYQs.
← Back to chapters

Statistics

Previous Year Questions (2022-2024)

📅 Year 2022

  1. Find mode of data: 1, 2, 3, 2, 4, 5, 2, 6, 7, 2, 8.
    Show Solution
    Frequency of 2 = 4 (highest)\nMode = 2
  2. If mean of 5 numbers is 18 and one number 19 is removed, find new mean.
    Show Solution
    Sum = 5x18 = 90\nNew sum = 90-19 = 71\nNew mean = 71/4 = 17.75

📅 Year 2023

  1. Find mode of data: 1, 2, 3, 2, 4, 5, 2, 6, 7, 2, 8.
    Show Solution
    Frequency of 2 = 4 (highest)\nMode = 2
  2. If mean of 5 numbers is 18 and one number 19 is removed, find new mean.
    Show Solution
    Sum = 5x18 = 90\nNew sum = 90-19 = 71\nNew mean = 71/4 = 17.75

📅 Year 2024

  1. Find mode of data: 1, 2, 3, 2, 4, 5, 2, 6, 7, 2, 8.
    Show Solution
    Frequency of 2 = 4 (highest)\nMode = 2
  2. If mean of 5 numbers is 18 and one number 19 is removed, find new mean.
    Show Solution
    Sum = 5x18 = 90\nNew sum = 90-19 = 71\nNew mean = 71/4 = 17.75