Total marks scored by Mathew in all subjests = 42 + 51 + 58 + 35 + 48 = 234
∵ Maximum marks is 60 in any subject.
∴ Maximum marks = 60 x 5 = 300
∴ Percentage of Mathew's marks
= [(Marks obtained / Maximum marks)] x 100
= (234 / 300) x 100
= 234/3 = 78%
