Quantitative Aptitude Test 104

Test # 104


1.
Three math classes: X, Y, and Z, take an algebra test.
The average score in class X is 83. The average score in class Y is 76.
The average score in class Z is 85.
The average score of all sudents in classes X and Y together is 79.
The average score of all students in classes Y and Z together is 81.
What is the average for all the three clalsses?

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Quantitative Aptitude
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Idiom of the Day

know one's place
to know the behavior suitable to one's position in life
The boy does not know his place and often speaks out when he should not.

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