Mathmatics Sample Questions Answer Key

Arithmetic:

  1. D. All of the answers are ways to write 20 percent of N EXCEPT 20N.

  2. A. The square root of 10.5 is 3.24, so the closest answer to 3.24 would be 3.

  3. C. One-half (1/2) plus one-third (1/3) equals five-sixths (5/6), so one-sixth (1/6) of the third worker's time should be budgeted to the project in order for the total time to be equivalent to that of one person working full-time.


Elementary Algebra:

  1. A. The correct answer is 12, because ( 12 / 4 ) - 3 = 0.

  2. C. The expression 16x - 8 may be factored as 8(2x - 1).

  3. A. If x 2 - x - 6 = 0, then (x + 2)(x - 3) = 0, so x = -2 or x = 3.

 

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