Concept-wise Practice

compound-solution MCQ Questions for Class 11

compound-solution 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-solution.

कौन सा विकल्प (x>2) और \(x\leq 9\) का संयुक्त हल है?

Which option is the combined solution of (x>2) and \(x\leq 9\)?

Explanation opens after your attempt
Correct Answer

B. ((2,9])

Step 1

Concept

Taking both conditions together gives \(2<x\leq 9\). Use an open endpoint for a strict sign and a closed endpoint for equality.

Step 2

Why this answer is correct

The correct answer is B. ((2,9]). Taking both conditions together gives \(2<x\leq 9\). Use an open endpoint for a strict sign and a closed endpoint for equality.

Step 3

Exam Tip

दोनों शर्तों को साथ लेने पर \(2<x\leq 9\) मिलता है। सख्त चिन्ह पर खुला सिरा और बराबरी वाले चिन्ह पर बंद सिरा रखें।

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कौन सा विकल्प \(x\geq -2\) और (x<3) का संयुक्त हल है?

Which option is the combined solution of \(x\geq -2\) and (x<3)?

Explanation opens after your attempt
Correct Answer

A. ([-2,3))

Step 1

Concept

Taking both conditions together gives \(-2\leq x<3\). The combined solution is the intersection of both inequalities.

Step 2

Why this answer is correct

The correct answer is A. ([-2,3)). Taking both conditions together gives \(-2\leq x<3\). The combined solution is the intersection of both inequalities.

Step 3

Exam Tip

दोनों शर्तों को साथ लेने पर \(-2\leq x<3\) मिलता है। संयुक्त हल में दोनों असमताओं का प्रतिच्छेद लिया जाता है।

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