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HBRI - Hogan Business Reasoning Inventory Numerical Estimation and Approximation Flashcards

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  1. A company's revenue grew from $4.8 million to $6.3 million over two years. Which is the closest approximation of the percentage increase?

    Answer: About 31%

    The increase is $1.5M on a base of $4.8M, which is approximately 31.25%.

  2. A project team of 12 people completes a task in 8 days. Approximately how many days would it take a team of 9 people to complete the same task?

    Answer: About 11 days

    Total work = 12 × 8 = 96 person-days; 96 ÷ 9 ≈ 10.7, which rounds to about 11 days.

  3. If a company spends $2,340 monthly on software subscriptions and negotiates a 15% discount, what is the best estimate of the annual savings?

    Answer: About $4,200

    Monthly savings ≈ $351; annual savings ≈ $351 × 12 ≈ $4,212, closest to $4,200.

  4. Sales data shows 3,450 units sold in Q1, 4,210 in Q2, and 3,890 in Q3. Which is the closest estimate of average quarterly sales?

    Answer: About 3,850 units

    Sum = 11,550 ÷ 3 = 3,850 units per quarter on average.

  5. A manager estimates that 18% of 4,500 customer complaints require escalation. Which is the best approximation of the number of escalations?

    Answer: About 810

    18% of 4,500 = 0.18 × 4,500 = 810 escalations.

  6. A warehouse processes approximately 1,200 orders per day and operates 5 days per week. Which estimate best represents annual order volume (52 weeks)?

    Answer: About 312,000

    1,200 × 5 × 52 = 312,000 orders per year.