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What is Right (Logic)?

Grade Level:

Pre-School – Class 2

All domains without exception

Definition
What is it?

In logic, 'right' means something is correct, true, or makes sense based on facts and rules. It's about finding the best way to solve a problem or make a decision using clear thinking.

Simple Example
Quick Example

Imagine you have Rs. 50 and want to buy a packet of biscuits for Rs. 20 and a juice box for Rs. 35. Is it right to say you have enough money? No, because Rs. 20 + Rs. 35 = Rs. 55, which is more than Rs. 50. So, the right answer is you don't have enough money.

Worked Example
Step-by-Step

PROBLEM: Your school starts at 8:00 AM. It takes 20 minutes to get ready and 30 minutes to travel to school. What is the right time to wake up to reach school on time? --- STEP 1: Find total time needed before school starts. Travel time (30 mins) + Getting ready time (20 mins) = 50 minutes. --- STEP 2: Subtract this total time from the school start time. School starts at 8:00 AM. --- STEP 3: Count back 50 minutes from 8:00 AM. 8:00 AM - 30 minutes = 7:30 AM. --- STEP 4: 7:30 AM - 20 minutes = 7:10 AM. --- ANSWER: The right time to wake up is 7:10 AM.

Why It Matters

Understanding what is 'right' helps you make good choices in daily life and solve problems in every subject. Engineers use logic to design safe bridges, doctors use it to diagnose illnesses, and even app developers use it to make sure apps work correctly.

Common Mistakes

MISTAKE: Making decisions based on feelings instead of facts. | CORRECTION: Always look at the information and rules available before deciding what is right.

MISTAKE: Assuming something is right because many people believe it. | CORRECTION: Truth is not decided by popularity. Always verify facts and apply logical steps yourself.

MISTAKE: Not considering all possible options or consequences. | CORRECTION: Think broadly. Consider different angles and what might happen for each choice to find the truly right one.

Practice Questions
Try It Yourself

QUESTION: A bus leaves Delhi at 6:00 AM and reaches Jaipur in 5 hours. What is the right time it will reach Jaipur? | ANSWER: 11:00 AM

QUESTION: You have 3 friends and 12 ladoos. If you want to share them equally among your friends, and keep none for yourself, what is the right number of ladoos each friend gets? | ANSWER: 4 ladoos each

QUESTION: A mobile game gives you 100 points for winning and takes away 20 points for losing. If you played 5 games, won 3, and lost 2, what is your right final score? | ANSWER: (3 * 100) - (2 * 20) = 300 - 40 = 260 points

MCQ
Quick Quiz

Which of these shows 'right' thinking?

Buying a ticket for a train that left an hour ago.

Adding 2 + 2 and getting 4.

Believing a rumour without checking if it's true.

Trying to fit a square peg into a round hole.

The Correct Answer Is:

B

Option B, adding 2 + 2 and getting 4, is a correct mathematical fact, which is an example of 'right' thinking based on rules. The other options are examples of incorrect or illogical actions.

Real World Connection
In the Real World

When you use a navigation app like Google Maps or Ola/Uber, it uses logic to find the 'right' route with the least traffic or shortest distance. It constantly processes real-time data to give you the most accurate and logical path, helping auto-rickshaw drivers and delivery executives choose the best way.

Key Vocabulary
Key Terms

LOGIC: The study of reasoning and correct thinking | TRUE: Conforming to fact or reality | CORRECT: Free from error; in accordance with fact | REASONING: The process of thinking about something in a logical way | DECISION: A conclusion or resolution reached after consideration

What's Next
What to Learn Next

Next, you can learn about 'Problem Solving Steps'. Understanding what is 'right' is the first step, and knowing how to systematically solve problems will help you apply this logic in more complex situations.

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