(5) अलग-अलग खिलौनों को (7) बच्चों में एक-एक देकर कितने तरीकों से बांटा जा सकता है?
In how many ways can (5) distinct toys be given one each to (7) children?
Explanation opens after your attempt
A. (2520)
Concept
(5) of (7) children receive distinct toys, so \(^{7}P_5=2520\). In exams, distinct receivers make order count.
Why this answer is correct
The correct answer is A. (2520). (5) of (7) children receive distinct toys, so \(^{7}P_5=2520\). In exams, distinct receivers make order count.
Exam Tip
(7) बच्चों में से (5) को अलग खिलौने मिलेंगे, इसलिए \(^{7}P_5=2520\)। परीक्षा में receiver अलग हों तो order counted होता है।
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