Concept-wise Practice

compound-interval MCQ Questions for Class 11

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

Practice Questions

2 questions tagged with compound-interval.

अंतराल (\(-\infty,-6]\cup[10,\infty\)) संख्या रेखा पर क्या दिखाता है?

What does the interval (\(-\infty,-6]\cup[10,\infty\)) show on the number line?

Explanation opens after your attempt
Correct Answer

B. \(x\le -6\) या \(x\ge 10\)\(x\le -6\) or \(x\ge 10\)

Step 1

Concept

The first part gives \(x\le -6\) and the second gives \(x\ge 10\). The symbol \(\cup\) shows the union of both parts.

Step 2

Why this answer is correct

The correct answer is B. \(x\le -6\) या \(x\ge 10\) / \(x\le -6\) or \(x\ge 10\). The first part gives \(x\le -6\) and the second gives \(x\ge 10\). The symbol \(\cup\) shows the union of both parts.

Step 3

Exam Tip

पहला भाग \(x\le -6\) और दूसरा भाग \(x\ge 10\) देता है। \(\cup\) दोनों भागों का मिलन दिखाता है।

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अंतराल (\(-\infty,-1]\cup[4,\infty\)) संख्या रेखा पर क्या दिखाता है?

What does the interval (\(-\infty,-1]\cup[4,\infty\)) show on the number line?

Explanation opens after your attempt
Correct Answer

B. \(x\le -1\) या \(x\ge 4\)\(x\le -1\) or \(x\ge 4\)

Step 1

Concept

(\(-\infty,-1]\) means \(x\le -1\), and \([4,\infty\)) means \(x\ge 4\). The symbol \(\cup\) means the union of both parts.

Step 2

Why this answer is correct

The correct answer is B. \(x\le -1\) या \(x\ge 4\) / \(x\le -1\) or \(x\ge 4\). (\(-\infty,-1]\) means \(x\le -1\), and \([4,\infty\)) means \(x\ge 4\). The symbol \(\cup\) means the union of both parts.

Step 3

Exam Tip

(\(-\infty,-1]\) में \(x\le -1\) और \([4,\infty\)) में \(x\ge 4\) है। \(\cup\) का अर्थ दोनों भागों का मिलन है।

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