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GRE Test Prep : Discrete Quantitative Comparison


Formats Quiz Review
Multiple choice

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1.

If a is an odd number and b is an even number, then which of the following must be an even number ?

  2a + b

  ab + 1

  a + b + 2

  a + b

  2b + a

  Half-n-half Clue
 

2.

If f(x, y) = 2 y - x2 where x and y are real numbers, then f( f(4, 7), 7) is equal to

  -18

  10

  -2

  2

  -10

  Half-n-half Clue
 

3.

If a and b are both odd numbers, then which of the following must be an odd number ?

  a + b + 2

  a + b

  ab

  2a + b + 1

  ab + 1

  Half-n-half Clue
 

4.

Last month, Mr. Anderson spent 5% of his salary to pay his electricity bill, 12% to pay his phone bill, and 63% for general monthly expenses. If his salary is $ 3100, then his savings last month was

  $ 155

  $ 372

  $ 620

  $ 2480

  $ 1953

  Half-n-half Clue
 


 
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