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 radio battery lasts 12 hours. If an officer starts a shift at 7:00 AM with a fully charged battery, at what time will it need replacing?
Answer: 7:00 PM
7:00 AM + 12 hours = 7:00 PM.
If 5 officers can clear a building in 30 minutes, how long would it take 10 officers to clear the same building (assuming equal work distribution)?
Answer: 15 minutes
Doubling the workforce halves the time: 30 ÷ 2 = 15 minutes.
A suspect's description states the individual is between 5'9" and 6'1" tall. Which of the following heights is within that range?
Answer: 70 inches
5'9" = 69 inches and 6'1" = 73 inches; 70 inches falls within that range.
A supply room has 15 boxes of gloves, each containing 24 pairs. After distributing 216 pairs, how many pairs remain?
Answer: 144
Total pairs = 15 × 24 = 360; remaining = 360 − 216 = 144 pairs.
An officer works 5 days a week for 3 weeks, then has 2 days off before starting a new cycle. How many work days are completed in 4 full cycles?
Answer: 60 days
Each cycle = 15 work days; 4 cycles = 4 × 15 = 60 work days.
A secured area is 150 feet long and 80 feet wide. What is its perimeter?
Answer: 460 feet
Perimeter = 2 × (150 + 80) = 2 × 230 = 460 feet.
If a security checkpoint processes 24 vehicles per hour, how many vehicles will it process during a 6.5-hour shift?
Answer: 156
24 × 6.5 = 156 vehicles processed during the shift.