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a:b=4:5 এবং b:c=6:7 হলে, a:b:c=

a:b=4:5 এবং b:c=6:7 হলে, a:b:c= Correct Answer 24:30:35

a:b  = 4:5 = (4×6) : (5×6) = 24 : 30 b:C  = 6:7 = (6×5) : (7×5)  = 30 : 35.'. a:b:c  = 24 : 30 : 35 

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