What is Impossible?

S0-SA3-0265

Grade Level:

Class 1

Logic, Probability, Computing, AI, Maths

Definition

What is it?

Something is 'impossible' if it can never happen, no matter what. It means there is zero chance of that event occurring. Impossible events go against facts or the rules of how things work.

Simple Example

Quick Example

Imagine you have a bag full of only red ladoos. If you close your eyes and pick one ladoo from the bag, it is impossible for you to pick a green ladoo. You will always pick a red one.

Worked Example

Step-by-Step

Let's say a cricket team needs to score 500 runs in the last ball of a match to win.

Step 1: Understand the rules of cricket. A team can score a maximum of 6 runs (a six) from one ball.
---Step 2: Compare the runs needed (500) with the maximum runs possible from one ball (6).
---Step 3: Since 500 is much greater than 6, it's not possible to score 500 runs from a single ball.
---Answer: It is impossible for the team to win the match by scoring 500 runs in one ball.

Why It Matters

Understanding 'impossible' helps us make logical decisions and solve problems in maths, science, and even coding. Engineers use this concept to design safe bridges (making it impossible for them to collapse), and AI systems learn what outcomes are impossible in games or predictions.

Common Mistakes

MISTAKE: Thinking something difficult is impossible. | CORRECTION: Difficult means it's hard to do, but still possible. Impossible means it can never, ever happen.

MISTAKE: Confusing 'unlikely' with 'impossible'. | CORRECTION: Unlikely means it probably won't happen, but there's a tiny chance it could. Impossible means there is no chance at all.

MISTAKE: Believing something is impossible just because you haven't seen it happen. | CORRECTION: An event is impossible based on rules or facts, not just personal experience. For example, a square circle is impossible because of geometric rules, even if you've never seen one.

Practice Questions

Try It Yourself

QUESTION: Is it impossible for the sun to rise from the west tomorrow? | ANSWER: Yes, it is impossible. The sun always rises from the east.

QUESTION: You have a dice with faces numbered 1 to 6. Is it impossible to roll a 7? | ANSWER: Yes, it is impossible. A standard dice only has numbers up to 6.

QUESTION: If you have a bag with 10 blue marbles and 5 red marbles, is it impossible to pick a yellow marble? Explain. | ANSWER: Yes, it is impossible. The bag only contains blue and red marbles, so there are no yellow marbles to pick.

MCQ

Quick Quiz

Which of these events is impossible?

A student scoring 100 out of 100 in a maths test.

A bird flying backwards.

A person living for 200 years.

A triangle with four sides.

The Correct Answer Is:

A triangle, by definition, always has three sides. Therefore, a triangle with four sides is a contradiction and is impossible. The other options, while very difficult or unlikely, are not impossible.

Real World Connection

In the Real World

In computer programming, 'impossible' scenarios are often handled. For example, an ATM machine's software makes it impossible to withdraw more money than you have in your account. This prevents errors and ensures fair transactions.

Key Vocabulary

Key Terms

IMPOSSIBLE: Cannot happen, zero chance | UNLIKELY: Has a very small chance, but still possible | LOGIC: Reasoning based on facts | PROBABILITY: The chance of something happening

What's Next

What to Learn Next

Next, you can learn about 'Likely' and 'Unlikely' events. This will help you understand the full range of possibilities, from impossible to certain, and how to calculate the chances of different outcomes.