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Quantitative Reasoning Flashcards

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

Read the first 6 Quantitative Reasoning flashcards as text

  1. A car uses 6 liters of fuel per 100 km. How much fuel is needed for a 250 km trip?

    Answer: 15 liters

    Fuel = (6 ÷ 100) × 250 = 15 liters.

  2. The average of five numbers is 12. If four of the numbers are 10, 11, 13, and 14, what is the fifth?

    Answer: 12

    Total = 5 × 12 = 60; sum of known numbers = 10 + 11 + 13 + 14 = 48; fifth number = 60 − 48 = 12.

  3. A square has perimeter 36 cm. What is its area?

    Answer: 81 cm²

    Side = 36 ÷ 4 = 9 cm; area = 9² = 81 cm².

  4. A store increases a price by 20% and then decreases it by 20%. Is the final price higher, lower, or the same as the original?

    Answer: Lower than original

    Increasing then decreasing by 20% gives 1.2 × 0.8 = 0.96 times the original, which is 4% lower.

  5. What is 15% of 200?

    Answer: 30

    15% of 200 = 0.15 × 200 = 30.

  6. A pool holds 5,000 liters. A pipe fills it at 200 liters per minute. How many minutes to fill the pool?

    Answer: 25

    Time = 5,000 ÷ 200 = 25 minutes.