Mathematics and Arithmetic Flashcards
7 cards from real UDEE practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Mathematics and Arithmetic flashcards as text
A patrol officer drives 24 miles in 36 minutes. What is the officer's average speed in miles per hour?
Answer: 40 mph
24 miles ÷ 36 minutes × 60 minutes/hour = 40 mph.
A supply room has 144 flashlights distributed equally among 12 officers. If 3 officers return their flashlights, how many flashlights are back in storage?
Answer: 36
144 ÷ 12 = 12 flashlights per officer; 3 × 12 = 36 returned.
An officer's shift pays $22.50 per hour. How much does the officer earn for a 8.5-hour shift?
Answer: $191.25
$22.50 × 8.5 = $191.25.
A rectangular checkpoint zone measures 45 feet by 30 feet. What is the perimeter of the zone?
Answer: 150 feet
Perimeter = 2(45 + 30) = 2(75) = 150 feet.
If 5/8 of a 200-person crowd is cleared from an area, how many people remain?
Answer: 75
5/8 × 200 = 125 cleared; 200 − 125 = 75 remain.
A sergeant's report logs incidents over 4 weeks: 18, 23, 15, and 20. What is the mean number of weekly incidents?
Answer: 19
(18 + 23 + 15 + 20) ÷ 4 = 76 ÷ 4 = 19.
A storage unit holds equipment worth $4,800. If the value depreciates by 15% annually, what is its value after one year?
Answer: $4,080
$4,800 × 0.85 = $4,080.