percentage is a value by a fraction of 100. 120 marks is equivalent to 60% this means from the whole amount, 60 % of the whole amount is 120 marks we need to find the full marks if 60 % --- 120 then 1 % --- [tex] \frac{120}{60} [/tex] full marks are 100 % therefore 100 % - [tex] \frac{120}{60} * 100 [/tex] 100 % --- 200 marks full marks are 200 marks
