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GRE Test Prep : Discrete Quantitative Comparison


Formats Quiz Review
Multiple choice

Your Performance  

1.

If x + y = 13 and 2 x - y = 2, then x - y is equal to

  13

  0

  -3

  3

  -11

  Half-n-half Clue
 

2.

A university has 5000 graduate students. The number of undergraduate students is 5  / 4  times the number of graduate students. What fraction of the students in the university are undergraduates?

  5 / 9

  9 / 4

  5 / 4

  4 / 9

  9 / 5

  Half-n-half Clue
 

3.

If 5 x + 3 y = 21 then 30 x + 18 y is equal to

  126

  21

  none of these

  147

  168

  Half-n-half Clue
 

4.

A piece of equipment consumes c cents per hour of fuel and requires d dollars per hour for other operational costs. What is the cost in dollars of operating the equipment for 600  hours?

  600 c + 6 d

  6 c + 600 d

  6 (c + d)

  600 (c + d)

  0.01 c + d

  Half-n-half Clue
 


 
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