CORRECT ANSWERS (VERIFIED ASWERS) Q&A
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1. If a car travels 180 miles in 3 hours, what is its average
speed?
A. 45 mph
B. 50 mph
C. 60 mph
D. 75 mph
Correct answer: C. 60 mph
Rationale: Average speed = distance ÷ time = 180 ÷ 3 = 60 mph.
2. A shirt costs $40 and is discounted by 25%. What is the sale
price?
A. $10
B. $25
C. $30
D. $35
Correct answer: C. $30
Rationale: 25% of $40 is $10. Therefore, $40 − $10 = $30.
,3. What is 3/4 expressed as a decimal?
A. 0.25
B. 0.50
C. 0.75
D. 1.25
Correct answer: C. 0.75
Rationale: Dividing 3 by 4 gives 0.75.
4. If 5 workers complete a job in 12 days at the same rate,
how many worker-days are required?
A. 17
B. 50
C. 60
D. 72
Correct answer: C. 60
Rationale: 5 × 12 = 60 worker-days.
5. What is 15% of 200?
A. 15
B. 20
C. 30
D. 35
Correct answer: C. 30
Rationale: 0.15 × 200 = 30.
,6. Solve: 8 + 4 × 3.
A. 20
B. 24
C. 36
D. 12
Correct answer: A. 20
Rationale: Multiplication comes before addition: 4 × 3 = 12; 12
+ 8 = 20.
7. What is the square root of 144?
A. 10
B. 11
C. 12
D. 14
Correct answer: C. 12
Rationale: 12 × 12 = 144.
8. If x + 7 = 19, what is x?
A. 10
B. 11
C. 12
D. 13
Correct answer: C. 12
, Rationale: Subtract 7 from both sides: x = 19 − 7 = 12.
9. A ratio of 2:5 means that for every 2 units of one quantity,
there are how many units of the other?
A. 2
B. 3
C. 5
D. 7
Correct answer: C. 5
Rationale: The second number in the ratio is 5.
10. What is the area of a rectangle measuring 8 feet by 5 feet?
A. 13 sq ft
B. 26 sq ft
C. 40 sq ft
D. 80 sq ft
Correct answer: C. 40 sq ft
Rationale: Area = length × width = 8 × 5 = 40 square feet.
11. What is the perimeter of a square with sides of 6 inches?
A. 12 inches
B. 18 inches
C. 24 inches
D. 36 inches