(12) गणित और (9) भौतिकी पुस्तकों में से (7) पुस्तकें चुननी हैं जिनमें कम से कम (4) गणित पुस्तकें हों। कितने तरीके हैं?

From (12) mathematics and (9) physics books (7) books are to be selected with at least (4) mathematics books. How many ways are there?

Explanation opens after your attempt
Correct Answer

C. (79200)

Step 1

Concept

The cases are (4), (5), (6), and (7) mathematics books. The correct sum is (79200).

Step 2

Why this answer is correct

The correct answer is C. (79200). The cases are (4), (5), (6), and (7) mathematics books. The correct sum is (79200).

Step 3

Exam Tip

मामले (4), (5), (6) और (7) गणित पुस्तकों के हैं। सही योग (79200) है।

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Mathematics Answer, Explanation and Revision Hints

(12) गणित और (9) भौतिकी पुस्तकों में से (7) पुस्तकें चुननी हैं जिनमें कम से कम (4) गणित पुस्तकें हों। कितने तरीके हैं? / From (12) mathematics and (9) physics books (7) books are to be selected with at least (4) mathematics books. How many ways are there?

Correct Answer: C. (79200). Explanation: मामले (4), (5), (6) और (7) गणित पुस्तकों के हैं। सही योग (79200) है। / The cases are (4), (5), (6), and (7) mathematics books. The correct sum is (79200).

Which concept should I revise for this Mathematics MCQ?

The cases are (4), (5), (6), and (7) mathematics books. The correct sum is (79200).

What exam hint can help solve this Mathematics question?

मामले (4), (5), (6) और (7) गणित पुस्तकों के हैं। सही योग (79200) है।