C-11-Q085mediumsingle_mcqA:B=3:4A:B=3:4A:B=3:4, B:C=6:7B:C=6:7B:C=6:7 হলে A:B:C=?A:B:C = ?A:B:C=?a9:12:149:12:149:12:14b3:4:73:4:73:4:7c