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GRE Test Prep : Discrete Quantitative Comparison


Formats Quiz Review
Multiple choice

Your Performance  

1.

If x + y = 13 and 5 x - y = 5, then x - y is equal to

  -47

  0

  -7

  7

  13

  Half-n-half Clue
 

2.

A university has 2000 graduate students. The number of undergraduate students is 4  / 3  times the number of graduate students. What fraction of the students in the university are undergraduates?

  3 / 7

  4 / 3

  7 / 3

  4 / 7

  7 / 4

  Half-n-half Clue
 

3.

Consider a square with side of length a, and an an isosceles right triangle with one side of length a and hypotenuse of length b. What is the sum of the areas of the square and the triangle?

  3a2/2

  a2 + ab/2

  2a2/3

  2a3b

  a3b/2

  Half-n-half Clue
 

4.

There are 520  animals on a farm. Three-fourths of them are cows. Of the cows, about 60% are white. How many cows on the farm are not white?

  208

  390

  130

  156

  234

  Half-n-half Clue
 


 
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