(6) अलग-अलग पोस्टरों को दीवार पर बाएँ से दाएँ लगाने के तरीके कितने हैं?
In how many ways can (6) different posters be arranged on a wall from left to right?
Explanation opens after your attempt
D. (720)
Concept
The left-to-right arrangement of (6) distinct posters is (6!=720). Use factorial in linear arrangement.
Why this answer is correct
The correct answer is D. (720). The left-to-right arrangement of (6) distinct posters is (6!=720). Use factorial in linear arrangement.
Exam Tip
बाएँ से दाएँ (6) अलग पोस्टरों की व्यवस्था (6!=720) है। linear arrangement में factorial लें।
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