Concept-wise Practice

subset_symbol MCQ Questions for Class 11

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

Practice Questions

3 questions tagged with subset_symbol.

यदि \(A=\{1,{1,2},2\}\) है तो कौन सा कथन सत्य है?

If \(A=\{1,{1,2},2\}\) then which statement is true?

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Correct Answer

A. \({1,2}\in A\)

Step 1

Concept

The set ({1,2}) is present as one element of this set. In exams read \(\in\) and \(\subset\) differently.

Step 2

Why this answer is correct

The correct answer is A. \({1,2}\in A\). The set ({1,2}) is present as one element of this set. In exams read \(\in\) and \(\subset\) differently.

Step 3

Exam Tip

({1,2}) इस समुच्चय में एक तत्व के रूप में मौजूद है। परीक्षा में \(\in\) और \(\subset\) को अलग पढ़ें।

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कौन-सा कथन \(A\subseteq B\) का सही अर्थ बताता है?

Which statement correctly explains the meaning of \(A\subseteq B\)?

Explanation opens after your attempt
Correct Answer

A. (A) का हर अवयव (B) में हैEvery element of (A) is in (B)

Step 1

Concept

\(A\subseteq B\) means all elements of (A) are in (B).

Step 2

Why this answer is correct

This is different from \(A\in B\).

Step 3

Exam Tip

Use the symbol to decide whether the statement is about an element or a subset. चरण 1: \(A\subseteq B\) का अर्थ है (A) के सभी अवयव (B) में हों। चरण 2: यह \(A\in B\) से अलग है। चरण 3: चिन्ह देखकर तय करें कि बात अवयव की है या उपसमुच्चय की।

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यदि \(A=\{2,4,6\}\) है, तो (A) के बारे में कौन-सा कथन सदैव सत्य है?

If \(A=\{2,4,6\}\), which statement about (A) is always true?

Explanation opens after your attempt
Correct Answer

A. \(A \subseteq A\)

Step 1

Concept

Every set contains all its own elements.

Step 2

Why this answer is correct

Therefore every element of (A) is in (A) itself.

Step 3

Exam Tip

Do not mix up \( \in \) and \( \subseteq \). चरण 1: हर समुच्चय अपने सभी अवयव स्वयं में रखता है। चरण 2: इसलिए (A) का हर अवयव (A) में ही है। चरण 3: \( \in \) और \( \subseteq \) के अर्थ में गलती न करें।

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