The four coffee types in the FDA caffeine chart have different ranges of caffeine content per 5-oz cup. Arrange them from the smallest range to the largest range of caffeine. Approximate ranges from the graph — Decaffeinated: 1–5 mg (range ~4); Instant: 40–108 mg (range ~68); Drip-brewed: 60–180 mg (range ~120); Percolated: 40–170 mg (range ~130).

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GRE Quantitative Reasoning QUESTION #8168

Question 1

The four coffee types in the FDA caffeine chart have different ranges of caffeine content per 5-oz cup. Arrange them from the smallest range to the largest range of caffeine.

Approximate ranges from the graph — Decaffeinated: 1–5 mg (range ~4); Instant: 40–108 mg (range ~68); Drip-brewed: 60–180 mg (range ~120); Percolated: 40–170 mg (range ~130).

Decaffeinated, Instant, Percolated, Drip-brewed
Decaffeinated, Instant, Drip-brewed, Percolated✔️
Instant, Decaffeinated, Drip-brewed, Percolated
Instant, Drip-brewed, Decaffeinated, Percolated

Correct Answer Explanation

The range is the difference between the maximum and minimum values for each coffee type (per 5-oz cup, based on the FDA graph):

Decaffeinated: approximately 1–5 mg → range ≈ 4 mg (smallest)
Instant: approximately 40–108 mg → range ≈ 68 mg
Drip-brewed: approximately 60–180 mg → range ≈ 120 mg
Percolated: approximately 40–170 mg → range ≈ 130 mg (largest)

Order from least to greatest range: Decaffeinated, Instant, Drip-brewed, Percolated.

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