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In how many ways can you arrange the letters A, B, C and D  

A  4 

B  6 

C  12 

D  24 

Solution

Correct Answer: Option D

Solution: 

A, B, C এবং D এই 4টি অক্ষরকে 4! = 4 \( \times \) 3 \( \times \) 2 \( \times \) 1 = 24 ভাবে সাজানো যাবে । 

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