(6) अलग-अलग चित्रों को दीवार पर एक पंक्ति में कितने तरीकों से लगाया जा सकता है?
In how many ways can (6) distinct pictures be hung in a row on a wall?
Explanation opens after your attempt
A. (720)
Concept
The arrangement of (6) distinct pictures in a row is (6!=720). In exams, the word row means linear arrangement.
Why this answer is correct
The correct answer is A. (720). The arrangement of (6) distinct pictures in a row is (6!=720). In exams, the word row means linear arrangement.
Exam Tip
एक पंक्ति में (6) अलग चित्रों की व्यवस्था (6!=720) है। परीक्षा में row शब्द आए तो linear arrangement लें।
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