अक्षरों (A,E,I,O,U) में से (2) अक्षरों का क्रम बनाना हो तो कितने तरीके होंगे?

If an order of (2) letters is to be made from (A,E,I,O,U), how many ways are possible?

Explanation opens after your attempt
Correct Answer

D. (20)

Step 1

Concept

This is \({}^{5}P_{2}=5\times4=20\). In ordered letters, (AE) and (EA) are considered different.

Step 2

Why this answer is correct

The correct answer is D. (20). This is \({}^{5}P_{2}=5\times4=20\). In ordered letters, (AE) and (EA) are considered different.

Step 3

Exam Tip

यह \({}^{5}P_{2}=5\times4=20\) है। ordered letters में (AE) और (EA) अलग माने जाते हैं।

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Mathematics Answer, Explanation and Revision Hints

अक्षरों (A,E,I,O,U) में से (2) अक्षरों का क्रम बनाना हो तो कितने तरीके होंगे? / If an order of (2) letters is to be made from (A,E,I,O,U), how many ways are possible?

Correct Answer: D. (20). Explanation: यह \({}^{5}P_{2}=5\times4=20\) है। ordered letters में (AE) और (EA) अलग माने जाते हैं। / This is \({}^{5}P_{2}=5\times4=20\). In ordered letters, (AE) and (EA) are considered different.

Which concept should I revise for this Mathematics MCQ?

This is \({}^{5}P_{2}=5\times4=20\). In ordered letters, (AE) and (EA) are considered different.

What exam hint can help solve this Mathematics question?

यह \({}^{5}P_{2}=5\times4=20\) है। ordered letters में (AE) और (EA) अलग माने जाते हैं।