(7) लोगों में से केवल (3) प्रतिनिधि चुनने की गिनती किस सूत्र से होगी?

Which formula counts choosing only (3) representatives from (7) people?

Explanation opens after your attempt
Correct Answer

B. \(^{7}C_3\)

Step 1

Concept

There are no different posts among the representatives so order is not counted. In exams use combination for only selection.

Step 2

Why this answer is correct

The correct answer is B. \(^{7}C_3\). There are no different posts among the representatives so order is not counted. In exams use combination for only selection.

Step 3

Exam Tip

प्रतिनिधियों में कोई अलग पद नहीं है इसलिए क्रम नहीं गिना जाएगा। परीक्षा में only selection हो तो combination लगाएँ।

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Mathematics Answer, Explanation and Revision Hints

(7) लोगों में से केवल (3) प्रतिनिधि चुनने की गिनती किस सूत्र से होगी? / Which formula counts choosing only (3) representatives from (7) people?

Correct Answer: B. \(^{7}C_3\). Explanation: प्रतिनिधियों में कोई अलग पद नहीं है इसलिए क्रम नहीं गिना जाएगा। परीक्षा में only selection हो तो combination लगाएँ। / There are no different posts among the representatives so order is not counted. In exams use combination for only selection.

Which concept should I revise for this Mathematics MCQ?

There are no different posts among the representatives so order is not counted. In exams use combination for only selection.

What exam hint can help solve this Mathematics question?

प्रतिनिधियों में कोई अलग पद नहीं है इसलिए क्रम नहीं गिना जाएगा। परीक्षा में only selection हो तो combination लगाएँ।