Jenny’s average on 4 exams is 80. Assuming she cannot earn more than 100 on any exam, what is the least she can earn on her 5th exam and still have a chance for an average of 84 after seven exams?

General Mathematics Part

1. Jenny’s average on 4 exams is 80. Assuming she cannot earn more than 100 on any exam, what is the least she can earn on her 5th exam and still have a chance for an average of 84 after seven exams?

[Dhaka Bank MTO-2011 : 2011]

1. 100 liters

2. 108 liters

3. 144 liters

4. 252 liters

5. None of these

Answer

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