GED 2026 Practice Test – 100 Questions, Answers and Detailed
Explanations
1. What is \(3(4+5)-7\)?
A. 14
B. 20
C. 27
D. 34
Answer: B. 20
Explanation:
First calculate inside the parentheses:
\(4+5=9\)
Then:
\(3\times9=27\)
Finally:
\(27-7=20\).
2. A shirt costs $40 and is discounted by 25%. What is the sale price?
,A. $10
B. $25
C. $30
D. $35
Answer: C. $30
Explanation:
25% of $40 is:
\(0.25\times40=$10\)
Subtract the discount:
\($40-$10=$30\).
3. Solve: \(2x+7=19\).
A. 5
B. 6
C. 7
D. 8
Answer: B. 6
,Explanation:
\(2x+7=19\)
Subtract 7:
\(2x=12\)
Divide by 2:
\(x=6\).
4. What is the slope of the line passing through \((2,3)\) and \((6,11)\)?
A. 1
B. 2
C. 3
D. 4
Answer: B. 2
Explanation:
\[
, M=\frac{11-3}{6-2}
=\frac{8}{4}=2
\]
The slope is 2.
5. What is the area of a rectangle measuring 12 cm by 7 cm?
A. 19 cm²
B. 38 cm²
C. 84 cm²
D. 96 cm²
Answer: C. 84 cm²
Explanation:
\[
A=l\times w
\]
\[
A=12\times7=84
\]
Explanations
1. What is \(3(4+5)-7\)?
A. 14
B. 20
C. 27
D. 34
Answer: B. 20
Explanation:
First calculate inside the parentheses:
\(4+5=9\)
Then:
\(3\times9=27\)
Finally:
\(27-7=20\).
2. A shirt costs $40 and is discounted by 25%. What is the sale price?
,A. $10
B. $25
C. $30
D. $35
Answer: C. $30
Explanation:
25% of $40 is:
\(0.25\times40=$10\)
Subtract the discount:
\($40-$10=$30\).
3. Solve: \(2x+7=19\).
A. 5
B. 6
C. 7
D. 8
Answer: B. 6
,Explanation:
\(2x+7=19\)
Subtract 7:
\(2x=12\)
Divide by 2:
\(x=6\).
4. What is the slope of the line passing through \((2,3)\) and \((6,11)\)?
A. 1
B. 2
C. 3
D. 4
Answer: B. 2
Explanation:
\[
, M=\frac{11-3}{6-2}
=\frac{8}{4}=2
\]
The slope is 2.
5. What is the area of a rectangle measuring 12 cm by 7 cm?
A. 19 cm²
B. 38 cm²
C. 84 cm²
D. 96 cm²
Answer: C. 84 cm²
Explanation:
\[
A=l\times w
\]
\[
A=12\times7=84
\]
