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# Arithmetic Aptitude :: Decimal Fraction

## 1. A student's grade in a course is determined by 6 quizzes and one examination. If the examination counts thrice as much as each of the quizzes, what fraction of final grade is determined by the examination?

Explanation :

Solution: Let the marks allotted for one quiz be 10 marks so acc. to the question...

Marks allotted for the examination will be its three times i.e. 30 marks

So total marks of 6 quizzes and 1 examination will be 60+30=90

Fraction of examination marks out of total marks is: 30/90=1/3