In a mathematics exam a student scored 30 in the first paper out of total of 180 How much percent sh...........

Quant (SSC) Percentage

In a mathematics exam, a student scored 30% in the first paper out of total of 180. How much percent should he score in the second paper (out of 150) if he is to get at least 50% marks overall ?

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Explanation:

Total marks in the exam = 180 + 150 = 330
Student's marks in first paper = 30 x 180 /100 = 54
Student gets at least 50% marks overall
∴ Overall marks = 50 x 330 /100 = 165
Student's marks in second paper = 165 – 54 = 111
∴ Required percentage = 111/150 x 100 = 74%