यदि (6) विद्यार्थियों में से (3) को पदों पर बैठाना हो तो formula connection के अनुसार कौन-सा expression सही है?
If (3) students are to be seated in positions from (6) students which expression is correct by formula connection?
Explanation opens after your attempt
D. \(^{6}P_3\)
Concept
Seating in positions depends on order so permutation is used. In exams when position seat or rank appears check order.
Why this answer is correct
The correct answer is D. \(^{6}P_3\). Seating in positions depends on order so permutation is used. In exams when position seat or rank appears check order.
Exam Tip
पदों पर बैठाना क्रम पर निर्भर करता है इसलिए permutation लगेगा। परीक्षा में पद सीट या rank आने पर order देखें।
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