(7) अध्यापकों में से (2) अध्यापकों की निगरानी टीम कितने तरीकों से चुनी जा सकती है?

In how many ways can an invigilation team of (2) teachers be selected from (7) teachers?

Explanation opens after your attempt
Correct Answer

B. (21)

Step 1

Concept

For the team, there are \(\binom{7}{2}=21\) selections. A team has no order.

Step 2

Why this answer is correct

The correct answer is B. (21). For the team, there are \(\binom{7}{2}=21\) selections. A team has no order.

Step 3

Exam Tip

टीम के लिए \(\binom{7}{2}=21\) चयन होंगे। टीम में क्रम नहीं होता।

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FAQs

Mathematics Answer, Explanation and Revision Hints

(7) अध्यापकों में से (2) अध्यापकों की निगरानी टीम कितने तरीकों से चुनी जा सकती है? / In how many ways can an invigilation team of (2) teachers be selected from (7) teachers?

Correct Answer: B. (21). Explanation: टीम के लिए \(\binom{7}{2}=21\) चयन होंगे। टीम में क्रम नहीं होता। / For the team, there are \(\binom{7}{2}=21\) selections. A team has no order.

Which concept should I revise for this Mathematics MCQ?

For the team, there are \(\binom{7}{2}=21\) selections. A team has no order.

What exam hint can help solve this Mathematics question?

टीम के लिए \(\binom{7}{2}=21\) चयन होंगे। टीम में क्रम नहीं होता।