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Civil Service Exam Review · Numerical AbilityCIVIL SERVICE

Numerical ability topics · 4

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NUMERICAL ABILITY · TOPICS

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Civil Service Exam Review · Numerical Ability · Topic 2 · 2 of 4

Ratio and proportion

Share amounts in a given ratio and solve direct and inverse proportions.

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5 questions · Choose an answer or write your response, then check your work. Free preview: your answers are checked here and not saved.

1. Solve for x: x/6 = 15/9. (1 point) A. 8 B. 12 C. 10 D. 9

2. The ratio of boys to girls is 2:3, and there are 30 girls. How many boys are there? (1 point) A. 45 B. 18 C. 12 D. 20

3. If 4 pens cost ₱54, how much do 10 pens cost? (1 point) A. ₱120 B. ₱140 C. ₱135 D. ₱130

4. Divide ₱1,200 in the ratio 3:5. What is the larger share? (1 point) A. ₱600 B. ₱450 C. ₱750 D. ₱720

5. On a map, 1 cm stands for 5 km. How far apart are two towns that are 7.5 cm apart on the map? (1 point) A. 37.5 km B. 35 km C. 32.5 km D. 40 km

Reshuffle the questions and choices for a fresh round. Keep going until you master the lesson.