Joseph scored 75 marks out of 100 in Mathematics, 72 marks out of 75 in Social science and 28 marks out of 50 in Hindi. Calculate the percentage of all the marks he scored.
I) Percentage of marks in Mathematics \(=\) \(\%\).
II) Percentage of marks in Social science \(=\) \(\%\).
III) Percentage of marks in Hindi \(=\) \(\%\).
[Note: Submit the answer as a whole number.]