Skip to content

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

RELATED QUESTIONS

Counterexample

Class 12 Mathematics के इस tag से जुड़े questions। हर question के साथ chapter, topic, level और difficulty दी गई है।

MathematicsOn (A={1,2,3,4}), (R={(a,b):a-b=1}). Is (R) symmetric?Class 12Relations and FunctionsSymmetric relationLevel 12Expert MathematicsOn (A={1,2,3,4}), (R={(a,b):a\le b}). Which counterexample shows that (R) is not symmetric?Class 12Relations and FunctionsSymmetric relationLevel 12Expert MathematicsOn (A={1,2,3,4}), (R={(a,b):a\mid b}). Is (R) symmetric?Class 12Relations and FunctionsSymmetric relationLevel 12Expert MathematicsIf (R) is symmetric and (S\subseteq R), which statement about (S) is correct?Class 12Relations and FunctionsSymmetric relationLevel 11Expert MathematicsIf (R={(a,b):a=2b}) on real numbers, why is (R) not symmetric?Class 12Relations and FunctionsSymmetric relationLevel 11Expert MathematicsWhy is (R={(a,b):a\mid b}) on natural numbers not symmetric?Class 12Relations and FunctionsSymmetric relationLevel 11Expert MathematicsIf (R) is a symmetric relation, which statement about (R\setminus S) is always true?Class 12Relations and FunctionsSymmetric relationLevel 11Expert MathematicsOn natural numbers, (R={(a,b):a\leq b}) is given. Why is this relation not symmetric?Class 12Relations and FunctionsSymmetric relationLevel 11Expert MathematicsIf (R) is symmetric and (R\subseteq S), which statement about (S) is correct?Class 12Relations and FunctionsSymmetric relationLevel 10Expert MathematicsIf (R={(x,y):x=2y}) is defined on real numbers, (R) is not symmetric. Which counterexample is correct?Class 12Relations and FunctionsSymmetric relationLevel 10Expert MathematicsIf (R={(a,b):a\equiv 2b \pmod{5}}) is defined on integers, is (R) symmetric?Class 12Relations and FunctionsSymmetric relationLevel 10Expert MathematicsIf (R={(a,b):a=b+2}) on integers, (R) is not symmetric. Which is the correct counterexample?Class 12Relations and FunctionsSymmetric relationLevel 10Expert MathematicsIf (R={(x,y):x-y>0}) is defined on real numbers, why is (R) not symmetric?Class 12Relations and FunctionsSymmetric relationLevel 10Expert MathematicsIf (R) is symmetric and (S\subseteq R), which conclusion about (S) is always correct?Class 12Relations and FunctionsSymmetric relationLevel 10Expert MathematicsFor the relation (R={(a,b):a) divides (b)(}) on natural numbers, what is the correct statement?Class 12Relations and FunctionsSymmetric relationLevel 12Hard MathematicsOn integers, the relation (R={(a,b):a-b=3}) is given. Why is it not symmetric?Class 12Relations and FunctionsSymmetric relationLevel 12Hard MathematicsIf (A={1,2,3,4}) and (R={(a,b):a\le b}), why is (R) not symmetric?Class 12Relations and FunctionsSymmetric relationLevel 12Hard MathematicsOn (A={1,2,3,4}), (R={(a,b):a+2b\text{ is even}}). Is (R) symmetric?Class 12Relations and FunctionsSymmetric relationLevel 11Hard MathematicsOn (A={1,2,3,4}), (R={(a,b):a\text{ divides }b}). Is (R) symmetric?Class 12Relations and FunctionsSymmetric relationLevel 11Hard MathematicsIf (R) is symmetric, which statement is always true about (R\setminus S)?Class 12Relations and FunctionsSymmetric relationLevel 11Hard