UDEE Mathematics and Arithmetic 4 — Questions and Answers
Question 1: A patrol officer drives 24 miles in 36 minutes. What is the officer's average speed in miles per hour?
- 36 mph
- 40 mph (Correct answer)
- 42 mph
- 48 mph
Correct answer: 40 mph
24 miles ÷ 36 minutes × 60 minutes/hour = 40 mph.
Question 2: A supply room has 144 flashlights distributed equally among 12 officers. If 3 officers return their flashlights, how many flashlights are back in storage?
- 24
- 30
- 36 (Correct answer)
- 48
Correct answer: 36
144 ÷ 12 = 12 flashlights per officer; 3 × 12 = 36 returned.
Question 3: An officer's shift pays $22.50 per hour. How much does the officer earn for a 8.5-hour shift?
- $181.25
- $191.25 (Correct answer)
- $196.00
- $200.75
Correct answer: $191.25
$22.50 × 8.5 = $191.25.
Question 4: A rectangular checkpoint zone measures 45 feet by 30 feet. What is the perimeter of the zone?
- 135 feet
- 150 feet (Correct answer)
- 165 feet
- 1,350 feet
Correct answer: 150 feet
Perimeter = 2(45 + 30) = 2(75) = 150 feet.
Question 5: If 5/8 of a 200-person crowd is cleared from an area, how many people remain?
- 65
- 75 (Correct answer)
- 80
- 125
Correct answer: 75
5/8 × 200 = 125 cleared; 200 − 125 = 75 remain.
Question 6: A sergeant's report logs incidents over 4 weeks: 18, 23, 15, and 20. What is the mean number of weekly incidents?
- 18
- 19 (Correct answer)
- 20
- 21
Correct answer: 19
(18 + 23 + 15 + 20) ÷ 4 = 76 ÷ 4 = 19.
Question 7: A storage unit holds equipment worth $4,800. If the value depreciates by 15% annually, what is its value after one year?
- $3,840
- $4,080 (Correct answer)
- $4,320
- $4,560
Correct answer: $4,080
$4,800 × 0.85 = $4,080.
UDEE Mathematics and Arithmetic 4
A patrol officer drives 24 miles in 36 minutes.
What is the officer's average speed in miles per hour?