शब्द (PAPER) में (P) दो बार आता है। इसके अलग-अलग अक्षर-क्रम कितने होंगे?
The word (PAPER) has (P) twice. How many distinct letter arrangements are possible?
Explanation opens after your attempt
C. (60)
Simple Explanation
(P) दो बार समान है इसलिए व्यवस्थाएँ \(\frac{5!}{2!}=60\) होंगी। समान अक्षर के factorial से भाग दें। / Since (P) occurs twice, arrangements are \(\frac{5!}{2!}=60\). Divide by the factorial of the repeated letter.
Login to save your score, XP, coins and progress.
