Puzzles & Brain Teasers : Quiz Marks - Worksheet / Test Paper

Math Puzzles & Brain Teasers

Quiz Marks

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Teacher:	You appeared for quizzes in 6 subjects, and your average marks in them were 83.
Student:	How did I fare in English?
Teacher:	Well, your average in English Language and English Literature is 75.
Student:	So, how was my performance in the remaining subjects?
Teacher:	I am sure you can figure that out for yourself.

Can you help the student find his average marks in the remaining subjects?

Answer: 87

Solution:

Total marks in 6 subjects = 6 × 83 = 498.

Total marks in 2 English subjects = 2 × 75 = 150.

Total marks in remaining 4 subjects = 498 − 150 = 348.

Average marks in remaining 4 subjects = 348 / 4 = 87.

Food for thought:

What is another term for "average" in statistics? Is it "mean", "median" or "mode"?

Wish to try another problem on "averages"? Then click here.

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