\({}^{5}P_{1}\) का मान क्या होगा?
What will be the value of \({}^{5}P_{1}\)?
Explanation opens after your attempt
A. (5)
Concept
Since \({}^{n}P_{1}=n\), \({}^{5}P_{1}=5\). Choosing and arranging one object gives (n) ways.
Why this answer is correct
The correct answer is A. (5). Since \({}^{n}P_{1}=n\), \({}^{5}P_{1}=5\). Choosing and arranging one object gives (n) ways.
Exam Tip
\({}^{n}P_{1}=n\) होता है इसलिए \({}^{5}P_{1}=5\)। एक वस्तु चुनकर व्यवस्थित करने में (n) तरीके होते हैं।
Login to save your score, XP, coins and progress.
