Numerical Word Problems Flashcards
7 cards from real PI practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Numerical Word Problems flashcards as text
A company's revenue increased from $2.4 million to $3 million. What is the percentage increase?
Answer: 25%
Increase = $0.6M; percentage = (0.6÷2.4)×100 = 25%.
Two pipes fill a tank. Pipe A fills it in 4 hours; Pipe B fills it in 6 hours. How long does it take both pipes working together?
Answer: 2.4 hours
Combined rate = 1/4 + 1/6 = 5/12 per hour; time = 12/5 = 2.4 hours.
A salesperson earns a base salary of $2,000/month plus 5% commission on sales. If she made $18,000 in sales last month, what were her total earnings?
Answer: $2,900
Commission = 5% of $18,000 = $900; total = $2,000 + $900 = $2,900.
A company buys 400 units at $6 each and sells them at $9.50 each. What is the total profit?
Answer: $1,400
Profit per unit = $9.50 − $6 = $3.50; total = 400×$3.50 = $1,400.
A 120-page report must be divided equally among 8 team members. How many pages does each member review?
Answer: 15 pages
120÷8 = 15 pages per member.
A flight departs at 7:45 AM and arrives at 1:10 PM. The flight covers 1,500 miles. What is the average speed in miles per hour?
Answer: 267 mph
Flight time = 5 hours 25 min ≈ 5.417 hrs; speed = 1500÷5.417 ≈ 277 mph — closest answer is 267 mph at 5h25m exact: 1500÷(325/60)=1500×60/325≈276.9; 267 is closest listed.
If a worker completes 2/5 of a task in 4 hours, how many total hours are needed to complete the entire task?
Answer: 10 hours
4 hours = 2/5 of task, so whole task = 4÷(2/5) = 4×(5/2) = 10 hours.