GRE Exam Dumps : GRE General Test

In the circle with center O, if the length of minor arc MP is 3π, what is the area of square region MOPQ ?

Exhibit.

The variance of n numerical data x1, x2, x3, , , , , xn with the mean x is equal to were S is the sum of the equal differences for

For the shares of stock purchased and then sold by the investors shown, the mean of the 5 numbers for Stock Y is 50 and the corresponding mean for Stock X is 70. The variance of the 5 numbers for Stock }' is what fraction of the corresponding variance for Stock X ?

A)

B)

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E)

A rancher is planning to build an enclosed pen for horses on level ground. The pen will be rectangular with a length that is 2 times the width. If the perimeter of the pen will be P meters, which of the following represents the area, in square meters, of the pen in terms of P ?

A)

B)

C)

D)

E