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1. 2D - 3k = 4 হয়, তবে 4D - 6k = ?

  • A. 10
  • B. 10
  • C. 10
  • D. 10

Answer: Option C

Explanation:

2D - 3K = 4 
 
2 × (2D - 3K) = 4 × 2 
 
4D - 6K = 8  
 
 

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