Lesson eLearning

A bag contains 5 red balls, 3 green balls and 2 blue balls. If a ball is drawn at random, what is the probability that it is not green?

hard MCQ 4 marks Class 8 · Mathematics · Data Handling
  1. 5/10
  2. 7/10
  3. 3/10
  4. 1/2
Answer
7/10

The correct answer is 7/10 — Probability of not green = .

Step-by-step solution

  1. Total balls = .
  2. Probability of green = .
  3. Probability of not green = .
Common mistake: Adding probabilities of non‑green instead of subtracting.

Concept tested: Probability of complement event

Published · How this solution was prepared and checked

← All Data Handling questions