अक्षरों (A,B,C,D,E) में से (3) अक्षरों का क्रम बनाना हो तो कुल तरीके कितने होंगे?
If an order of (3) letters is to be made from (A,B,C,D,E), how many total ways are possible?
Explanation opens after your attempt
B. (60)
Concept
There will be \({}^{5}P_{3}=5\times4\times3=60\) ways. Changing the order of letters changes the arrangement.
Why this answer is correct
The correct answer is B. (60). There will be \({}^{5}P_{3}=5\times4\times3=60\) ways. Changing the order of letters changes the arrangement.
Exam Tip
\({}^{5}P_{3}=5\times4\times3=60\) तरीके होंगे। अक्षरों का क्रम बदलने से arrangement बदलती है।
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