(15) अलग-अलग कार्डों में से (6) कार्ड चुनने हैं जिनमें दो निश्चित कार्डों में से ठीक एक कार्ड हो। कितने तरीके हैं?

From (15) distinct cards (6) cards are to be selected containing exactly one of two fixed cards. How many ways are there?

Explanation opens after your attempt
Correct Answer

A. (2574)

Step 1

Concept

Choose (1) of the two fixed cards and (5) cards from the remaining (13). The ways are \(\binom{2}{1}\binom{13}{5}=2574\).

Step 2

Why this answer is correct

The correct answer is A. (2574). Choose (1) of the two fixed cards and (5) cards from the remaining (13). The ways are \(\binom{2}{1}\binom{13}{5}=2574\).

Step 3

Exam Tip

दो निश्चित कार्डों में से (1) चुनें और बाकी (5) कार्ड (13) में से चुनें। तरीके \(\binom{2}{1}\binom{13}{5}=2574\) हैं।

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(15) अलग-अलग कार्डों में से (6) कार्ड चुनने हैं जिनमें दो निश्चित कार्डों में से ठीक एक कार्ड हो। कितने तरीके हैं? / From (15) distinct cards (6) cards are to be selected containing exactly one of two fixed cards. How many ways are there?

Correct Answer: A. (2574). Explanation: दो निश्चित कार्डों में से (1) चुनें और बाकी (5) कार्ड (13) में से चुनें। तरीके \(\binom{2}{1}\binom{13}{5}=2574\) हैं। / Choose (1) of the two fixed cards and (5) cards from the remaining (13). The ways are \(\binom{2}{1}\binom{13}{5}=2574\).

Which concept should I revise for this Mathematics MCQ?

Choose (1) of the two fixed cards and (5) cards from the remaining (13). The ways are \(\binom{2}{1}\binom{13}{5}=2574\).

What exam hint can help solve this Mathematics question?

दो निश्चित कार्डों में से (1) चुनें और बाकी (5) कार्ड (13) में से चुनें। तरीके \(\binom{2}{1}\binom{13}{5}=2574\) हैं।