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Quantitative Reasoning Flashcards

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

Read the first 7 Quantitative Reasoning flashcards as text

  1. Solve for y: 4y + 3 = 2y + 15.

    Answer: 6

    Subtract 2y and 3 from both sides to get 2y = 12, so y = 6.

  2. A rectangle has a length of 12 and a width of 5. What is its perimeter?

    Answer: 34

    Perimeter = 2(12 + 5) = 2(17) = 34.

  3. If 5 workers can complete a job in 8 days, how many days would 10 workers take, assuming equal rates?

    Answer: 4 days

    Doubling the workers halves the time, so 8/2 = 4 days.

  4. What is the value of 3! + 4!?

    Answer: 30

    3! = 6 and 4! = 24, and 6 + 24 = 30.

  5. A bag contains 4 red and 6 blue marbles. What is the probability of drawing a red marble at random?

    Answer: 2/5

    There are 4 red out of 10 total, so the probability is 4/10 = 2/5.

  6. If x + y = 10 and x - y = 4, what is the value of x?

    Answer: 7

    Adding the equations gives 2x = 14, so x = 7.

  7. What is the slope of the line passing through points (2, 3) and (6, 11)?

    Answer: 2

    Slope = (11 - 3)/(6 - 2) = 8/4 = 2.