यदि ( \frac{(n+1)!}{(n-2)!}=504 ), तो (n) का मान क्या है?

If ( \frac{(n+1)!}{(n-2)!}=504 ), what is the value of (n)?

Explanation opens after your attempt
Correct Answer

B. (8)

Step 1

Concept

((n+1)n(n-1)=504) and \(9\cdot8\cdot7=504\), so (n=8). Identify the middle number as (n).

Step 2

Why this answer is correct

The correct answer is B. (8). ((n+1)n(n-1)=504) and \(9\cdot8\cdot7=504\), so (n=8). Identify the middle number as (n).

Step 3

Exam Tip

((n+1)n(n-1)=504) और \(9\cdot8\cdot7=504\), इसलिए (n=8) है। मध्य संख्या (n) को पहचानें।

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Mathematics Answer, Explanation and Revision Hints

यदि ( \frac{(n+1)!}{(n-2)!}=504 ), तो (n) का मान क्या है? / If ( \frac{(n+1)!}{(n-2)!}=504 ), what is the value of (n)?

Correct Answer: B. (8). Explanation: ((n+1)n(n-1)=504) और \(9\cdot8\cdot7=504\), इसलिए (n=8) है। मध्य संख्या (n) को पहचानें। / ((n+1)n(n-1)=504) and \(9\cdot8\cdot7=504\), so (n=8). Identify the middle number as (n).

Which concept should I revise for this Mathematics MCQ?

((n+1)n(n-1)=504) and \(9\cdot8\cdot7=504\), so (n=8). Identify the middle number as (n).

What exam hint can help solve this Mathematics question?

((n+1)n(n-1)=504) और \(9\cdot8\cdot7=504\), इसलिए (n=8) है। मध्य संख्या (n) को पहचानें।