(6) अलग-अलग गेंदों को एक पंक्ति में रखने के तरीके कितने होंगे?
How many ways are possible to place (6) different balls in a row?
Explanation opens after your attempt
A. (720)
Concept
The arrangement of (6) distinct balls is (6!=720). If all objects are distinct, total arrangements are factorial.
Why this answer is correct
The correct answer is A. (720). The arrangement of (6) distinct balls is (6!=720). If all objects are distinct, total arrangements are factorial.
Exam Tip
(6) अलग गेंदों की व्यवस्था (6!=720) है। सभी वस्तुएँ अलग हों तो कुल व्यवस्था factorial होती है।
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