OACP Numerical Reasoning and Data Interpretation 4

Question 1

A police district recorded 144 thefts in Q1, 162 in Q2, 135 in Q3, and 159 in Q4. What is the average number of thefts per quarter?

Accepted Answer

150

Answer

Total = 144 + 162 + 135 + 159 = 600; average = 600 ÷ 4 = 150.

Question 2

A patrol vehicle travels 480 km on 40 litres of fuel. If fuel costs $1.75 per litre, what is the fuel cost per 100 km?

Accepted Answer

$14.58

Answer

Consumption = 40 ÷ 480 × 100 = 8.33 L/100 km; cost = 8.33 × $1.75 ≈ $14.58.

Question 3

A table shows response times (minutes): 4, 7, 5, 12, 6, 8, 5. What is the median response time?

Accepted Answer

6

Answer

Sorted: 4, 5, 5, 6, 7, 8, 12; the middle (4th) value is 6.

Question 4

In a bar chart, Division A shows 320 incidents, Division B shows 280, and Division C shows 400. What percentage of total incidents does Division C represent?

Accepted Answer

40%

Answer

Total = 1000; Division C percentage = 400 ÷ 1000 × 100 = 40%.

Question 5

An officer earns a base salary of $62,400 per year plus a 12% shift differential for 6 months of night shifts. What are total annual earnings?

Accepted Answer

$66,144

Answer

Night differential = $62,400 × 12% × 0.5 = $3,744; total = $62,400 + $3,744 = $66,144.

OACP - Ontario Association of Chief of Police Practice Test

OACP - Ontario Association of Chief of Police Practice Test

OACP Numerical Reasoning and Data Interpretation 4