C-14-Q012mediumsingle_mcqIf 4:7=8:y4:7 = 8:y4:7=8:y, then y=?y = ?y=?a141414b777c111111d3232ব্যাখ্যাFrom 47=8y\frac{4}{7}=\frac{8}{y}74=y8, cross-multiplying gives , so . Since is twice , must be twice .