a/2=b/2=c/2 হলে নিচের কোনটি সঠিক?
A. 4 : 3 : 2
B. 6 : 7 : 8
C. 8 : 7 : 6
D. 2 : 3 : 4
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সঠিক উত্তরঃ
D.
2 : 3 : 4
Explanation:
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