(11) वस्तुओं में से (3) वस्तुओं को क्रम में सजाने के तरीकों की संख्या क्या है?
What is the number of ways to arrange (3) objects selected from (11) objects in order?
Explanation opens after your attempt
A. (990)
Concept
Selection with order is \(^{11}P_3=11\cdot10\cdot9=990\). In exams, the word arranged suggests permutation.
Why this answer is correct
The correct answer is A. (990). Selection with order is \(^{11}P_3=11\cdot10\cdot9=990\). In exams, the word arranged suggests permutation.
Exam Tip
क्रम सहित चयन \(^{11}P_3=11\cdot10\cdot9=990\) है। परीक्षा में arranged शब्द दिखे तो permutation लें।
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