Which of the following is the median of the date set below? 30, -5, 8, -20, 23
A. 8
B. 30
C. -20
D. -5
Therefore, the Correct Answer is A.
More Questions on TEAS 7 Math
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Q #1: A circle has an area of 144 in2. Which of the following is the circumference of the circle in terms of pi ( )?
A. \(18 \pi in\)
B. \(6 \pi in\)
C. \(12 \pi in\)
D. \(24 \pi in\)
Answer Explanation
We need to find the circumference of the circle.
Before finding the circumference of a circle, we need to find the radius of the circle from the given area.
Let r be the radius of the circle, then the area of the circle is:
Substituting the value of area in the above equation
Dividing both sides by pi and taking square root on both sides yields
The radius of the circle with the given area is 12 in, and the circumference of the circle becomes:
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Q #2: Which of the following is the mean of the test scores listed below? 90, 87, 74, 84, 93, 78
A. 87
B. 78
C. 90
D. 84
Answer Explanation
The mean of a data set is the total scores divided by the number of tests.
Total test scores =90+87+74+ 84+93+76=504
Number of tests =6 Mean test score =506/6=84
The mean test score is 84
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Q #3: Which of the following is the length of the unknown leg of a right triangle that has one leg length of 6 feet and a hypotenuse of 14 feet? (Round to the nearest tenth.)
A. 15 feet
B. 12.6 feet
C. 18.3 feet
D. 9.2 feet
Answer Explanation
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Q #4: A person weighed themselves at 120 lb. Three months later they weighed themselves at 160 lb. Which of the following is the percent of weight the person gained over 3 months? (Round to the nearest percent.)
A. 66%
B. 33%
C. 35%
D. 30%
Answer Explanation
We need to find the percent change in weight of a person. To find the percent change, follow the following steps:
- Find absolute change in weight
- Find relative change
- Find the percent change from relative change.
Absolute change is the difference between the final value and initial value. Our initial value is 120 lb and final value is 160 lb. Then,
Relative change is given by
Percent change is determined by
To the nearest whole number, the percent change is 33%.
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Q #5: Which of the following is an appropriate unit of measure to express the radius of a needle?
A. Millimeters
B. Hectometers
C. Hexameters
D. Meters
Answer Explanation
Radius of a needle is a small mearument hence millimeters would be best suited to measure it.
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Q #6: The American with Disabilities Act (ADA) requires that the slope of a wheelchair ramp be no greater than 1:10. Which of the following is the minimum length of a ramp needed to provide access to a door that is 2.3 feet above the sidewalk?
A. 23 feet
B. 14 feet
C. 32 feet
D. 30 feet
Answer Explanation
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Q #7: Which of the following is the weight of the cargo in a truck if 3/5 of the cargo weighs 615 pounds (lb)?
A. 1025 lb
B. 1320 lb
C. 1548 lb
D. 788 lb
Answer Explanation
In this problem, we assume the truck carry a whole cargo to carry. Thus, total weight is found by dividing 615 lb by 3/5. Thus,
We change the division sign to product and multiply 615 by reciprocal of 3/5. Then,
(615 * frac{5}{3} = 1025 lb)
The weight of the cargo in the truck will be 1025 lb.
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Q #8: Four friends are sharing a pizza. One friend eats a third of the pizza. The other three friends equally divide the rest among themselves. What portion of the pizza did each of the other three friends receive?
A. 7/9
B. 1/3
C. 1/3
D. 2/9
Answer Explanation
We are asked to find a fraction of pizza other three friends got.
A whole pizza represents 1, and one friend eats 1/3 of 1=1/3*1=1/3
Now, the remaining pizza is 1-1/3=3/3-1/3=2/3
The three friends share 2/3 of pizza equally. So, each friend gets
Therefore, each of the three friends get 2/9 of the pizza.
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Q #9: A teacher has marked all math final exam for first years. He needs to track the performance of his subject. Which of the following is the best way to display the frequency for test scores of the final exams?
A. Histogram
B. Pie graph
C. Scatter plot
D. Bar graph
Answer Explanation
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Q #10: Which of the following is the decimal equivalent of 3/8?
A. 375
B. 3.75
C. 37.5
D. 0.375
Answer Explanation
