An organic compound contains 49.30% carbon,6.84% hydrogen and its vapour density is 73.Molecular formula of compound is

Question

$\begin{array}{1 1}(a)\;C_6H_{10}O_4&(b)\;C_3H_{10}O_2\\(c)\;C_6H_9O&(d)\;C_4H_{10}O_2\end{array}$