Subject
Quantitative Aptitude
Topic
Average
The average of X and Y is 40, and the average of Y and Z is What is the value of(X-Z)?
The average of X and Y is 40, and the average of Y and Z is What is the value of(X-Z)?
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20Explanation
(X + Y) / 2 = 40 or, (X + Y) = 80 Again, (Y + Z) / 2 = 35 or, (Y + Z) = 70 Now, (X + Y) - (Y + Z) = 80 - 70 or, X - Z = 10Related questions
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