Civil Service Exam Reviewer · Basic Operations · hard

Express 0.3888… (only the 8 repeats) as a fraction in lowest terms.

  1. 38/99
  2. 7/18
  3. 19/45
  4. 19/50

Answer

B. 7/18

Solution

0.3(8) = (38 − 3)/90 = 35/90 = 7/18.

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  1. Express the repeating decimal 0.979797… as a fraction in lowest terms.
  2. Express 0.75 as a fraction in lowest terms.
  3. Evaluate: 4 1/4 × 2 1/3 ÷ 5/6
  4. Evaluate: 44 − [16 − (5 × 5 − 13)] ÷ 2
  5. Evaluate: (−5) − (−8) × 5 + 4
  6. Evaluate: 10² − 5³ + 8 × 5
  7. Divide: 30.24 ÷ 0.72
  8. Multiply: 5 × 8.09
  9. Evaluate: (1/6) × (7/2) ÷ (3/2)
  10. Subtract: 6 1/2 − 3 3/4

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