Mohan's income is 40% more than Shyam's income. Shyam's income is what percentage less than Mohan's income?

$28\frac{2}{7}$ % $28\frac{5}{7}$ % $28\frac{3}{7}$ % $28\frac{4}{7}$ %

$28\frac{4}{7}$ %

40% =  \(\frac{2}{5}\) Income of         Mohan    :    Sohan                             5        :       7 Required percentage =  \(\frac{2}{7}\) × 100 =   28\(\frac{4}{7}\)%