यदि ( \frac{(n+5)!+(n+4)!}{(n+3)!}=120 ), तो (n) का मान क्या है?

If ( \frac{(n+5)!+(n+4)!}{(n+3)!}=120 ), what is the value of (n)?

Explanation opens after your attempt
Correct Answer

B. (6)

Step 1

Concept

The simplified form is ((n+4)(n+6)). Putting (n=6) gives \(10\cdot12=120\).

Step 2

Why this answer is correct

The correct answer is B. (6). The simplified form is ((n+4)(n+6)). Putting (n=6) gives \(10\cdot12=120\).

Step 3

Exam Tip

सरल रूप ((n+4)(n+6)) है। (n=6) रखने पर \(10\cdot12=120\) मिलता है।

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Mathematics Answer, Explanation and Revision Hints

यदि ( \frac{(n+5)!+(n+4)!}{(n+3)!}=120 ), तो (n) का मान क्या है? / If ( \frac{(n+5)!+(n+4)!}{(n+3)!}=120 ), what is the value of (n)?

Correct Answer: B. (6). Explanation: सरल रूप ((n+4)(n+6)) है। (n=6) रखने पर \(10\cdot12=120\) मिलता है। / The simplified form is ((n+4)(n+6)). Putting (n=6) gives \(10\cdot12=120\).

Which concept should I revise for this Mathematics MCQ?

The simplified form is ((n+4)(n+6)). Putting (n=6) gives \(10\cdot12=120\).

What exam hint can help solve this Mathematics question?

सरल रूप ((n+4)(n+6)) है। (n=6) रखने पर \(10\cdot12=120\) मिलता है।