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Averages-Aptitude-Questions

The average of reciprocals of x and y is-

$$\frac{(x + y)}{(x - y)}$$ $$\frac{(x + y)}{2xy}$$ $$\frac{2(x + y)}{xy}$$ $$\frac{2xy}{(x + y)}$$

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Problems on Ages

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Similar Question

This Chapter Averages-Aptitude-Questions consists of the following topics

The mean of 5 numbers is 18. If one number is excluded, their mean is 16. Find the excluded number.

The average of reciprocals of x and y is-

The arithmetic mean of 15 numbers is 41.4. Then the sum of these numbers is-

The average of the reciprocals of x and y is-

Averages Aptitude Questions

Arithmetic-Aptitude