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Numerical Reasoning: Calculations Flashcards

7 cards from real GGST practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

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  1. A project earned $84,000 in revenue and incurred $61,500 in costs. What is the profit margin (profit as a percentage of revenue)?

    Answer: 26.8%

    Profit = $84,000 − $61,500 = $22,500; margin = 22,500 ÷ 84,000 × 100 ≈ 26.8%.

  2. A water tank holds 12,000 liters. A pipe fills it at 80 liters/min while a drain removes 20 liters/min simultaneously. How long to fill the tank from empty?

    Answer: 200 min

    Net fill rate = 80 − 20 = 60 liters/min; time = 12,000 ÷ 60 = 200 min.

  3. Staff salaries increased from an average of $3,200/month to $3,680/month. By what percentage did the average salary increase?

    Answer: 15.0%

    Increase = $480; percentage = 480 ÷ 3,200 × 100 = 15.0%.

  4. Reports cost $0.08 per page to print. A 240-page report is printed for 35 participants. What is the total printing cost?

    Answer: $672.00

    Total pages = 240 × 35 = 8,400; cost = 8,400 × $0.08 = $672.00.

  5. A field office converts 15,000 JPY to USD at a rate of 150 JPY = 1 USD. How many USD does it receive?

    Answer: $100

    15,000 ÷ 150 = 100 USD.

  6. Three consultants worked 120, 95, and 145 hours respectively on a project at $65 per hour each. What was the total consultancy cost?

    Answer: $23,400

    Total hours = 120 + 95 + 145 = 360; cost = 360 × $65 = $23,400.

  7. Data shows 1 in every 8 processed applications contains an error. If 2,480 applications were processed, how many contain errors?

    Answer: 310

    2,480 ÷ 8 = 310 applications with errors.

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