Difference in % of whet lost \(=7-\frac{26}{5}=\frac{9}{5}\%\)= 7 - 26/5 = 9/5\(\%\)
Difference in import = 12 - 3 = 9 million
As \(\frac{9}{5}\)\(\%\) of total qty of wheat = 9 million
So, \(\frac{9x}{500}=9\)
Therefore, x = 500 million.So the correct option is (B)