यदि (5) अलग-अलग किताबों को एक पंक्ति में सजाना हो तो कितने तरीके होंगे?
If (5) different books are arranged in a row, how many ways are possible?
Explanation opens after your attempt
Correct Answer
A. (120)
Concept
The arrangement of (5) distinct objects is (5!). In exams, use factorial for distinct objects.
Why this answer is correct
The correct answer is A. (120). The arrangement of (5) distinct objects is (5!). In exams, use factorial for distinct objects.
Exam Tip
(5) अलग वस्तुओं की व्यवस्था (5!) होती है। परीक्षा में अलग-अलग वस्तुओं के लिए factorial लगाएं।
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