कौन सा रूप \(7\times6\times5\) के बराबर है?
Which form is equal to \(7\times6\times5\)?
Explanation opens after your attempt
Correct Answer
A. \(\frac{7!}{4!}\)
Concept
\(7!=7\times6\times5\times4!\), so \(\frac{7!}{4!}=7\times6\times5\). Choose the denominator according to the remaining factors.
Why this answer is correct
The correct answer is A. \(\frac{7!}{4!}\). \(7!=7\times6\times5\times4!\), so \(\frac{7!}{4!}=7\times6\times5\). Choose the denominator according to the remaining factors.
Exam Tip
\(7!=7\times6\times5\times4!\), इसलिए \(\frac{7!}{4!}=7\times6\times5\)। शेष गुणकों के अनुसार हर चुनें।
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