A carbon compound containing only carbon and oxygen has an approximate molecular mass of 290.On analysis,it is found to contain 50% by mass of each element .What is the molecular formula of the compound?

Question

$\begin{array}{1 1}(a)\;C_4O_3&(b)\;C_{12}O_9\\(c)\;C_6 O_2&(d)\;CO\end{array}$