allery2 : 3 மற்றும் 9 : 4 ஆகியவற்றின் கூட்டு விகிதம்
A2 : 1
B11 : 7
C1 : 2
D3 : 2
Answer & Solution
Correct answer: D. 3 : 2
உறுப்புகளைப் பெருக்கினால் 18 : 12 எனக் கிடைக்கிறது, இதைச் சுருக்கினால் 3 : 2 ஆகும்.
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