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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. शब्द 'RATNA' के अक्षरों के विन्यास के लिए, कितने शब्द R से शुरू होंगे और N से समाप्त होंगे?


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, लुप्त अक्षरों को A,T और A अक्षरों से भरा जाना है। संभावनाओं की कुल संख्या =3!2!=3


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