(12) अक्षरों में से (2) अक्षरों का क्रमित चयन कितने तरीकों से होगा?

In how many ways can (2) letters be selected in order from (12) letters?

Explanation opens after your attempt
Correct Answer

A. (132)

Step 1

Concept

Ordered selection is \(^{12}P_2=12\cdot11=132\). In exams, the phrase in order indicates permutation.

Step 2

Why this answer is correct

The correct answer is A. (132). Ordered selection is \(^{12}P_2=12\cdot11=132\). In exams, the phrase in order indicates permutation.

Step 3

Exam Tip

क्रमित चयन \(^{12}P_2=12\cdot11=132\) है। परीक्षा में in order शब्द permutation बताता है।

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Mathematics Answer, Explanation and Revision Hints

(12) अक्षरों में से (2) अक्षरों का क्रमित चयन कितने तरीकों से होगा? / In how many ways can (2) letters be selected in order from (12) letters?

Correct Answer: A. (132). Explanation: क्रमित चयन \(^{12}P_2=12\cdot11=132\) है। परीक्षा में in order शब्द permutation बताता है। / Ordered selection is \(^{12}P_2=12\cdot11=132\). In exams, the phrase in order indicates permutation.

Which concept should I revise for this Mathematics MCQ?

Ordered selection is \(^{12}P_2=12\cdot11=132\). In exams, the phrase in order indicates permutation.

What exam hint can help solve this Mathematics question?

क्रमित चयन \(^{12}P_2=12\cdot11=132\) है। परीक्षा में in order शब्द permutation बताता है।