Muft Shiksha
Update

Muft Shiksha™ एक 100% Free Education Portal है 🇮🇳, जिसका उद्देश्य Class 9–12 के हर विद्यार्थी तक High-Quality Education को पूरी तरह मुफ्त पहुँचाना है। 🇮🇳 हम मानते हैं कि अच्छी शिक्षा किसी student की आर्थिक स्थिति पर निर्भर नहीं होनी चाहिए। 🇮🇳 हर विद्यार्थी को वही Quality Study Material, MCQs, Quizzes, Exam Preparation, Concept-Based Learning और Bilingual Support मिलना चाहिए, जो आमतौर पर महंगी Coaching या Premium Platforms में मिलता है। Muft Shiksha™ 🇮🇳 इसी सोच के साथ बनाया गया है

Subjects
Class 9MathematicsNumber SystemsProof of irrationality of square root 2 and square root 3EasyLevel 20
0 reads0 ratings0 helpful

If the square of a number is not even then what type is the number?

Advertisement

Answer and explanation

Correct answer: Odd

For integers, evenness of the square is linked with evenness of the number. If the square is not even, the number is not even.

Related tags

Number-SystemsParityBasic-Fact

Frequently asked questions

What is the correct answer to this question?

Odd

Why is this the correct answer?

For integers, evenness of the square is linked with evenness of the number. If the square is not even, the number is not even.

Which subject and chapter does this question cover?

This is a Class 9 Mathematics question. Chapter: Number Systems. Topic: Proof of irrationality of square root 2 and square root 3.

Was this question useful?

No ratings yetWrite a review / Rate this question

Student Reviews

No published reviews yet.

KEEP PRACTISING

10 more MCQs
  1. 1If \(x=3-\sqrt5\), what is \(\frac1x\)?
  2. 2What assumption is taken first to prove the irrationality of (\sqrt{2})?
  3. 3If (\sqrt{2}=\frac{p}{q}) is assumed then which condition is necessary for (p) and (q)?
  4. 4Which of the following numbers is irrational and can be proved irrational using a contradiction based on divisibility by 3?
  5. 5From (p^2=2q^2) what conclusion is obtained about (p^2)?
  6. 6If (p^2) is even then what is the correct conclusion about (p)?
  7. 7A student sees \(\sqrt{3}\) displayed as 1.732 on a calculator and claims that \(\sqrt{3}\) is rational because the decimal ends. Which statement correctly identifies the error?
  8. 8If (p=2r) and (p^2=2q^2), which conclusion follows next?
  9. 9From (q^2=2r^2) what conclusion follows about (q)?
  10. 10What is the final contradiction in the proof that √2 is irrational?
Advertisement