Read the following bar diagram carefully to answer the questions given below.
If the maximum marks of each subject are 100, what is the approximate percentage of marks got by Ramesh?
What value will come in place of the question mark (?) in the following questions.
$$(562.5 \times 6)^{6}\div(135 \div 9)^{10}$$ $$\div(37.5 \times 6)^{7}=(3.75 \times 4)^{?-6}$$