Numeric Entry Sample Questions

Note: The directions that follow apply to the computer-delivered test. For the directions that apply to the paper-delivered test, see page 28 of The Practice Test Book for the Paper-based GRE® revised General Test, Second Edition.

Directions: Enter your answer as an integer or a decimal if there is a single answer box OR as a fraction if there are two separate boxes — one for the numerator and one for the denominator.

To enter an integer or a decimal, either type the number in the answer box using the keyboard or use the Transfer Display button on the calculator.

  • First, click on the answer box — a cursor will appear in the box — and then type the number.
  • To erase a number, use the Backspace key.
  • For a negative sign, type a hyphen. For a decimal point, type a period.
  • To remove a negative sign, type the hyphen again and it will disappear; the number will remain.
  • The Transfer Display button on the calculator will transfer the calculator display to the answer box.
  • Equivalent forms of the correct answer, such as 2.5 and 2.50, are all correct.
  • Enter the exact answer unless the question asks you to round your answer.

To enter a fraction, type the numerator and the denominator in the respective boxes using the keyboard.

  • For a negative sign, type a hyphen; to remove it, type the hyphen again. A decimal point cannot be used in a fraction.
  • The Transfer Display button on the calculator cannot be used for a fraction.
  • Fractions do not need to be reduced to lowest terms, though you may need to reduce your fraction to fit in the boxes.
  1. One pen costs $0.25 and one marker costs $0.35. At those prices, what is the total cost of 18 pens and 100 markers?

    $The answer space consists of a dollar sign, followed by a box for the answer.

    Explanation

    Multiplying $0.25 by 18 yields $4.50, which is the cost of the 18 pens; and multiplying $0.35 by 100 yields $35.00, which is the cost of the 100 markers. The total cost is therefore 4 dollars fifty cents, plus, thirty five dollars, plus, thirty nine dollars and fifty cents. Equivalent decimals, such as $39.5 or $39.500, are considered correct. Thus, the correct answer is $39.50 (or equivalent).

    Note that the dollar symbol is in front of the answer box, so the symbol $ does not need to be entered in the box. In fact, only numbers, a decimal point and a negative sign can be entered in the answer box.

  2. Rectangle R has length 30 and width 10, and square S has length 5. The perimeter of S is what fraction of the perimeter of R ?

    The answer space consists of a fraction bar, and two boxes, one above and one below the fraction bar.

    Explanation

    The perimeter of R is Thirty, plus ten, plus, thirty, plus ten, equals eighty.  and the perimeter of S is 4 times 5 = 20 Therefore, the perimeter of S is 20 over 80 of the perimeter of R. To enter the answer 20 over 80 you should enter the numerator 20 in the top box and the denominator 80 in the bottom box. Because the fraction does not need to be reduced to lowest terms, any fraction that is equivalent to 20 over 80 is also considered correct, as long as it fits in the boxes. For example, both of the fractions 2 eighths and 1 fourth are considered correct. Thus, the correct answer is 20 over 80 (or any equivalent fraction).


  3. Figure 7

    RESULTS OF A USED-CAR AUCTION

      Small Cars Large Cars
    Number of cars offered 32 23
    Number of cars sold 16 20
    Projected sales total for cars offered (in thousands) $70 $150
    Actual sales total (in thousands) $41 $120

    For the large cars sold at an auction that is summarized in the table above, what was the average sale price per car?

    $The answer space consists of a dollar sign, followed by a box for the answer.

    Explanation

    From Figure 7, you see that the number of large cars sold was 20 and the sales total for large cars was $120,000 (not $120). Thus the average sale price per car was $120,000 over 20 = $6,000 The correct answer is $6,000 (or equivalent).

    (Note that the comma in 6,000 will appear automatically in the answer box in the computer-delivered test.)

  4. A merchant made a profit of $5 on the sale of a sweater that cost the merchant $15. What is the profit expressed as a percent of the merchant's cost?

    Give your answer to the nearest whole percent.

    The answer space consists of a box for the answer followed by the % sign.%

    Explanation

    The percent profit is Open parenthesis, 5 over 15, close parenthesis, times 100, which equals 33.333..., which equals 33 point 3 with a bar over it. percent, which is 33%, to the nearest whole percent. Thus, the correct answer is 33% (or equivalent).

    If you use the calculator and the Transfer Display button, the number that will be transferred to the answer box is 33.333333, which is incorrect since it is not given to the nearest whole percent. You will need to adjust the number in the answer box by deleting all of the digits to the right of the decimal point (using the Backspace key).

    Also, since you are asked to give the answer as a percent, the decimal equivalent of 33 percent, which is 0.33, is incorrect. The percent symbol next to the answer box indicates that the form of the answer must be a percent. Entering 0.33 in the box would give the erroneous answer 0.33%.

  5. Working alone at its constant rate, machine A produces k liters of a chemical in 10 minutes. Working alone at its constant rate, machine B produces k liters of the chemical in 15 minutes. How many minutes does it take machines A and B, working simultaneously at their respective constant rates, to produce k liters of the chemical?

    The answer space consists of a box for the answer followed by the word, minutes. minutes

    Explanation

    Machine A produces k over 10 liters per minute, and machine B produces k over 15 liters per minute. So when the machines work simultaneously, the rate at which the chemical is produced is the sum of these two rates, which is The fraction k over 10, +, the fraction k over 15, which is equal to k times, open parenthesis, one tenth + one fifteenth, close parenthesis, which is equal to k times, open parenthesis, 25 over 150, close parenthesis, which is equal to k over 6 liters per minute. To compute the time required to produce k liters at this rate, divide the amount k by the rate k over 6 to get The fraction with numerator k and with denominator k sixths Therefore, the correct answer is 6 minutes (or equivalent).

    One way to check that the answer of 6 minutes is reasonable is to observe that if the slower rate of machine B were the same as machine A's faster rate of k liters in 10 minutes, then the two machines, working simultaneously, would take half the time, or 5 minutes, to produce the k liters. So the answer has to be greater than 5 minutes. Similarly, if the faster rate of machine A were the same as machine B's slower rate of k liters in 15 minutes, then the two machines, would take half the time, or 7.5 minutes, to produce the k liters. So the answer has to be less than 7.5 minutes. Thus, the answer of 6 minutes is reasonable compared to the lower estimate of 5 minutes and the upper estimate of 7.5 minutes.

 

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