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1.

a : b = 2 : 3 এবং b : c = 6 : 7 হয়, তবে a : c = কত?

  • A. 2 : 6
  • B. 2 : 6
  • C. 2 : 6
  • D. 2 : 6

Answer: Option D

Explanation:

 দেয়া আছে,  a : b  =  2 : 3  = 4 :6 
এবং  b : c  =  6 : 7 
অর্থাৎ  a : c  =  4 : 7 

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