If x/5 + 2 = 7, what is the value of x?
Subtract 2 from both sides, then multiply by 5.
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Correct!
Wrong!
Enter your answer as an integer.
A bicycle originally priced at 400 is sold for 320. What is the percentage discount?
Discount amount = Original - Sale. Percentage Discount = (Discount Amount / Original) * 100.
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Correct!
Wrong!
Enter your answer as an integer (e.g., 15 for 15%).
The sum of four consecutive even integers is 100. What is the smallest of these integers?
Let the integers be x, x+2, x+4, x+6. Their sum is 4x + 12 = 100.
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Correct!
Wrong!
Enter your answer as an integer.
If a train travels 300 kilometers at an average speed of 75 kilometers per hour, how many hours does the journey take?
Time = Distance / Speed.
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Enter your answer as an integer or a decimal.
What is the value of 5! / (3! imes 2!)?
Recall that n! = n * (n-1) * ... * 1. Calculate each factorial: 5! = 120, 3! = 6, 2! = 2.
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Enter your answer as an integer.
The area of a circle is 49pi square units. What is its radius?
Area of a circle = pi r^2. So, pi r^2 = 49pi. Solve for r.
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Correct!
Wrong!
Enter your answer as an integer.
If 20% of a number is 15, what is 50% of that number?
First find the original number (if 0.20 * N = 15, then N = 15 / 0.20). Then calculate 50% of N.
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Wrong!
Enter your answer as an integer or a decimal.
A rectangular field is 60 meters long and its perimeter is 200 meters. What is the width of the field in meters?
Perimeter = 2(Length + Width). So, 200 = 2(60 + Width).
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Correct!
Wrong!
Enter your answer as an integer.
If y = 3x^2 - 2x + 1, what is the value of y when x = -2?
Substitute x = -2 into the equation carefully: 3(-2)^2 - 2(-2) + 1.
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Correct!
Wrong!
Enter your answer as an integer.
The angles of a pentagon sum to 540 degrees. If four of the angles are 100°, 110°, 120°, and 90°, what is the measure of the fifth angle in degrees?
Subtract the sum of the four known angles from 540.
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Correct!
Wrong!
Enter your answer as an integer.
GRE Numeric Entry Practice Quiz 3
Numeric Ninja!
Your precision in numeric entry is commendable!
Calculation Captain!
Solid performance! Keep honing those calculation skills.
Math Mechanic!
Time for a tune-up! Review basic operations and problem setups.
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