(16) वस्तुओं में (10) अलग और (6) एक जैसी हैं। (4) वस्तुएं चुनने के कितने तरीके हैं?

Among (16) objects, (10) are distinct and (6) are identical. How many ways are there to select (4) objects?

Explanation opens after your attempt
Correct Answer

D. (385)

Step 1

Concept

We can take (0) to (4) identical objects. The total is \(^{10}C_{4}+^{10}C_{3}+^{10}C_{2}+^{10}C_{1}+1=386\).

Step 2

Why this answer is correct

The correct answer is D. (385). We can take (0) to (4) identical objects. The total is \(^{10}C_{4}+^{10}C_{3}+^{10}C_{2}+^{10}C_{1}+1=386\).

Step 3

Exam Tip

एक जैसी वस्तुओं में से (0) से (4) तक ली जा सकती हैं। योग \(\sum_{k=0}^{4}{}^{10}C_{4-k}=386\) नहीं, सही \(^{10}C_{4}+^{10}C_{3}+^{10}C_{2}+^{10}C_{1}+1=386\) है।

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Mathematics Answer, Explanation and Revision Hints

(16) वस्तुओं में (10) अलग और (6) एक जैसी हैं। (4) वस्तुएं चुनने के कितने तरीके हैं? / Among (16) objects, (10) are distinct and (6) are identical. How many ways are there to select (4) objects?

Correct Answer: D. (385). Explanation: एक जैसी वस्तुओं में से (0) से (4) तक ली जा सकती हैं। योग \(\sum_{k=0}^{4}{}^{10}C_{4-k}=386\) नहीं, सही \(^{10}C_{4}+^{10}C_{3}+^{10}C_{2}+^{10}C_{1}+1=386\) है। / We can take (0) to (4) identical objects. The total is \(^{10}C_{4}+^{10}C_{3}+^{10}C_{2}+^{10}C_{1}+1=386\).

Which concept should I revise for this Mathematics MCQ?

We can take (0) to (4) identical objects. The total is \(^{10}C_{4}+^{10}C_{3}+^{10}C_{2}+^{10}C_{1}+1=386\).

What exam hint can help solve this Mathematics question?

एक जैसी वस्तुओं में से (0) से (4) तक ली जा सकती हैं। योग \(\sum_{k=0}^{4}{}^{10}C_{4-k}=386\) नहीं, सही \(^{10}C_{4}+^{10}C_{3}+^{10}C_{2}+^{10}C_{1}+1=386\) है।