EDPT Arithmetic Reasoning Word Problems 3 โ Questions and Answers
Question 1: A software team completes a project in 60 days with 5 developers. If 2 developers leave, how many additional days will it take to finish (assuming equal workloads)?
- 40 (Correct answer)
- 36
- 30
- 24
Correct answer: 40
Total work = 60 ร 5 = 300 developer-days; 3 developers need 300 รท 3 = 100 days; additional days = 100 โ 60 = 40.
Question 2: A tech store sells 120 units of a product in January, 15% more in February, and 10% less than February in March. How many units were sold in March?
- 124 (Correct answer)
- 138
- 132
- 120
Correct answer: 124
February = 120 ร 1.15 = 138; March = 138 ร 0.90 = 124.2, rounded to 124.
Question 3: A cable is 3.6 meters long. A technician cuts off 40 cm, then cuts the remainder into 4 equal pieces. How long is each piece in centimeters?
- 80 (Correct answer)
- 75
- 85
- 90
Correct answer: 80
3.6 m = 360 cm; 360 โ 40 = 320 cm; 320 รท 4 = 80 cm per piece.
Question 4: An analyst processes 45 reports per day. Her assistant processes 30 reports per day. Working together, how many days will they need to process 375 reports?
- 5 (Correct answer)
- 6
- 4
- 7
Correct answer: 5
Combined rate = 45 + 30 = 75 reports/day; 375 รท 75 = 5 days.
Question 5: A data entry clerk makes $18.50 per hour and works 37.5 hours per week. After a 5% raise, what is her new weekly pay?
- $729.56 (Correct answer)
- $693.75
- $712.35
- $748.13
Correct answer: $729.56
Current weekly pay = $18.50 ร 37.5 = $693.75; 5% raise = $693.75 ร 1.05 = $728.4375 โ $729.56.
Question 6: A company's server costs $2,400 per month. They reduce costs by 20% in Q2 and then increase the Q2 cost by 10% in Q3. What is the monthly cost in Q3?
- $2,112 (Correct answer)
- $2,280
- $1,920
- $2,160
Correct answer: $2,112
Q2 cost = $2,400 ร 0.80 = $1,920; Q3 cost = $1,920 ร 1.10 = $2,112.
Question 7: If 3 printers can print 900 pages per hour, how many pages can 7 printers print in 2.5 hours?
- 5,250 (Correct answer)
- 4,500
- 6,300
- 3,750
Correct answer: 5,250
Rate per printer = 900 รท 3 = 300 pages/hr; 7 printers ร 300 ร 2.5 hours = 5,250 pages.
A software team completes a project in 60 days with 5 developers.
If 2 developers leave, how many additional days will it take to finish (assuming equal workloads)?