#51
Percentages
A student answers 42 of 50 questions correctly. What percentage is correct?
TEAS Math · 90 questions · Page 6 of 9
90 Free TEAS Math Practice Questions with Answers
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TEAS Math Questions, Answers, and Rationales
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#52
Ratios
A solution uses water and concentrate in a 5:2 ratio. How much concentrate is needed for 20 mL of water?
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Answer: B. 8 mL
Set 5/2 = 20/x. Since 20 is four times 5, x is four times 2, or 8 mL.
Read the full explanation#53
Fractions
What is 3/4 + 2/3?
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#54
Algebra
Solve for x: 4x - 7 = 21.
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#55
Unit conversion
How many milliliters are in 2.75 liters?
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Answer: C. 2,750 mL
One liter equals 1,000 milliliters, so 2.75 × 1,000 = 2,750 mL.
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Geometry
What is the area of a rectangle 12 cm long and 7 cm wide?
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#57
Mean
What is the mean of 6, 8, 9, 12, and 15?
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#58
Probability
A bag has 3 red, 5 blue, and 2 green marbles. What is the probability of selecting a green marble?
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Answer: B. 1/5
There are 2 green marbles out of 10 total, so the probability is 2/10 = 1/5.
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Decimals
What is 4.8 × 0.25?
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Answer: B. 1.2
Multiplying by 0.25 is the same as taking one-fourth; one-fourth of 4.8 is 1.2.
Read the full explanation#60
Inequalities
Which value satisfies 3x + 2 < 14?
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Answer: A. x = 3
Solving gives 3x < 12, so x < 4. Of the choices, only 3 satisfies the inequality.
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