(7) पुरुषों और (3) महिलाओं में से (1) पुरुष और (2) महिलाएं कितने तरीकों से चुनी जा सकती हैं?

From (7) men and (3) women, in how many ways can (1) man and (2) women be selected?

Explanation opens after your attempt
Correct Answer

B. (21)

Step 1

Concept

The ways are \(\binom{7}{1}\binom{3}{2}=7\cdot3=21\). Write each condition as a separate combination.

Step 2

Why this answer is correct

The correct answer is B. (21). The ways are \(\binom{7}{1}\binom{3}{2}=7\cdot3=21\). Write each condition as a separate combination.

Step 3

Exam Tip

तरीके \(\binom{7}{1}\binom{3}{2}=7\cdot3=21\) हैं। प्रत्येक शर्त को अलग संयोजन से लिखें।

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Mathematics Answer, Explanation and Revision Hints

(7) पुरुषों और (3) महिलाओं में से (1) पुरुष और (2) महिलाएं कितने तरीकों से चुनी जा सकती हैं? / From (7) men and (3) women, in how many ways can (1) man and (2) women be selected?

Correct Answer: B. (21). Explanation: तरीके \(\binom{7}{1}\binom{3}{2}=7\cdot3=21\) हैं। प्रत्येक शर्त को अलग संयोजन से लिखें। / The ways are \(\binom{7}{1}\binom{3}{2}=7\cdot3=21\). Write each condition as a separate combination.

Which concept should I revise for this Mathematics MCQ?

The ways are \(\binom{7}{1}\binom{3}{2}=7\cdot3=21\). Write each condition as a separate combination.

What exam hint can help solve this Mathematics question?

तरीके \(\binom{7}{1}\binom{3}{2}=7\cdot3=21\) हैं। प्रत्येक शर्त को अलग संयोजन से लिखें।