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Question

Q. For the arrangements of the letters of the word ‘RATNA’, how many words will start with R and end with N?

Q. ’RATNA’ शब्द के अक्षरों को व्यवस्थित करते हुए कितने शब्द बनाये जा सकते हैं,जिसका प्रारंभ R से और अंत N से हो?

A

3
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B

5
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C

7
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D

9
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Solution

The correct option is A
3
R_ _ _ N, Missing letters have to be filled with the letters A,T and A. The total number of possibilities =3!2!=3

R_ _ _ N, रिक्त स्थानों को A, T और A अक्षर से भरना है।
कुल संभावनाओं की संख्या =3!2!=3

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