संख्या रेखा पर (-2<x<1) में कितने अंतिम बिंदु खाली होंगे?

How many endpoints are open in (-2<x<1) on the number line?

Explanation opens after your attempt
Correct Answer

C. (2)

Step 1

Concept

Both sides have strict inequalities, so both endpoints are excluded. Therefore there are two open circles.

Step 2

Why this answer is correct

The correct answer is C. (2). Both sides have strict inequalities, so both endpoints are excluded. Therefore there are two open circles.

Step 3

Exam Tip

दोनों ओर कठोर असमता है इसलिए दोनों सीमाएँ शामिल नहीं हैं। अतः दो खाली वृत्त होंगे।

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संख्या रेखा पर (-2<x<1) में कितने अंतिम बिंदु खाली होंगे? / How many endpoints are open in (-2<x<1) on the number line?

Correct Answer: C. (2). Explanation: दोनों ओर कठोर असमता है इसलिए दोनों सीमाएँ शामिल नहीं हैं। अतः दो खाली वृत्त होंगे। / Both sides have strict inequalities, so both endpoints are excluded. Therefore there are two open circles.

Which concept should I revise for this Mathematics MCQ?

Both sides have strict inequalities, so both endpoints are excluded. Therefore there are two open circles.

What exam hint can help solve this Mathematics question?

दोनों ओर कठोर असमता है इसलिए दोनों सीमाएँ शामिल नहीं हैं। अतः दो खाली वृत्त होंगे।