Concept-wise Practice

pre contradiction MCQ Questions for Class 10

pre contradiction se related questions ko ek jagah revise karein. Har question me bilingual content, answer feedback aur explanation available hai.

Practice Questions

1 questions tagged with pre contradiction.

Question 1/1 Hard Mathematics Chapter 1: Real Numbers 6: Proof of irrationality of √2, √3, √5 Class 10 Level 17

\(\sqrt{5}\) की सिद्धि में अंतिम विरोधाभास से ठीक पहले कौन सा कथन होना चाहिए?

In the proof of \(\sqrt{5}\), which statement should come just before the final contradiction?

Explanation opens after your attempt
Correct Answer

A. (p) और (q) दोनों (5) से विभाज्य हैंBoth (p) and (q) are divisible by (5)

Step 1

Concept

First (p) is proved divisible by (5).

Step 2

Why this answer is correct

After substitution, (q) is also proved divisible by (5).

Step 3

Exam Tip

After this, contradiction is written using common factor (5). चरण 1: प्रमाण में पहले (p) (5) से विभाज्य सिद्ध होता है। चरण 2: प्रतिस्थापन के बाद (q) भी (5) से विभाज्य सिद्ध होता है। चरण 3: इसके बाद दोनों में साझा गुणनखंड (5) से विरोधाभास लिखा जाता है।

Open Question Page
Ask Friends
Student Class Required

Select your class first

Quiz questions, daily challenge and practice pages will open according to your selected class. Class 11/12 ke liye stream bhi select karein.