Mukesh scored 76 marks out of 100 in Science, 71 marks out of 75 in English and 24 marks out of 50 in Political science. Determine the percentage of all the marks he scored.
I) Percentage of marks in Science \(=\) \(\%\).
II) Percentage of marks in English \(=\) \(\%\).
III) Percentage of marks in Political science \(=\) \(\%\).
[Note: Submit the answer as a whole number.]