Questions on Conversion of Decimals and Fractions as Percents
multiple-choice questions focused on Conversion of Decimals and Fractions as Percents, each with five alternatives (A–E). Answers with full explanations are included at the end.
20 Multiple-Choice Questions: Conversion of Decimals and Fractions as Percents
1. What is 0.25 as a percent?
A) 2.5%
B) 25%
C) 0.25%
D) 2.25%
E) 250%
2. Convert 3/4 to a percent.
A) 25%
B) 50%
C) 75%
D) 100%
E) 60%
3. What is 0.8 as a percent?
A) 80%
B) 8%
C) 0.8%
D) 800%
E) 18%
4. Convert 5/8 to a percent.
A) 50%
B) 60%
C) 62.5%
D) 75%
E) 80%
5. Convert 0.05 to a percent.
A) 5%
B) 0.5%
C) 50%
D) 0.05%
E) 500%
6. What is 7/10 as a percent?
A) 10%
B) 70%
C) 77%
D) 67%
E) 75%
7. Convert 0.625 to a percent.
A) 62.5%
B) 6.25%
C) 625%
D) 0.625%
E) 52.5%
8. Convert 1/5 to a percent.
A) 10%
B) 20%
C) 25%
D) 15%
E) 30%
9. What is 0.02 as a percent?
A) 2%
B) 0.2%
C) 20%
D) 0.02%
E) 200%
10. Convert 3/5 to a percent.
A) 30%
B) 50%
C) 60%
D) 75%
E) 65%
11. What is 0.9 as a percent?
A) 90%
B) 9%
C) 0.9%
D) 99%
E) 900%
12. Convert 1/2 to a percent.
A) 25%
B) 50%
C) 75%
D) 100%
E) 60%
13. What is 0.375 as a percent?
A) 37.5%
B) 3.75%
C) 375%
D) 0.375%
E) 73.5%
14. Convert 2/5 to a percent.
A) 25%
B) 30%
C) 35%
D) 40%
E) 50%
15. What is 0.01 as a percent?
A) 1%
B) 0.01%
C) 10%
D) 0.1%
E) 100%
16. Convert 7/8 to a percent.
A) 75%
B) 87.5%
C) 70%
D) 85%
E) 90%
17. Convert 0.6 to a percent.
A) 6%
B) 60%
C) 0.6%
D) 600%
E) 66%
18. What is 0.03 as a percent?
A) 0.3%
B) 3%
C) 30%
D) 0.03%
E) 300%
19. Convert 1/8 to a percent.
A) 10%
B) 12.5%
C) 15%
D) 18%
E) 20%
20. What is 0.45 as a percent?
A) 0.45%
B) 45%
C) 4.5%
D) 450%
E) 0.045%
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Answer Key with Explanations
1. B) 25%
0.25 × 100 = 25%
2. C) 75%
(3 ÷ 4) × 100 = 75%
3. A) 80%
0.8 × 100 = 80%
4. C) 62.5%
(5 ÷ 8) × 100 = 62.5%
5. A) 5%
0.05 × 100 = 5%
6. B) 70%
(7 ÷ 10) × 100 = 70%
7. A) 62.5%
0.625 × 100 = 62.5%
8. B) 20%
(1 ÷ 5) × 100 = 20%
9. A) 2%
0.02 × 100 = 2%
10. C) 60%
(3 ÷ 5) × 100 = 60%
11. A) 90%
0.9 × 100 = 90%
12. B) 50%
(1 ÷ 2) × 100 = 50%
13. A) 37.5%
0.375 × 100 = 37.5%
14. D) 40%
(2 ÷ 5) × 100 = 40%
15. A) 1%
0.01 × 100 = 1%
16. B) 87.5%
(7 ÷ 8) × 100 = 87.5%
17. B) 60%
0.6 × 100 = 60%
18. B) 3%
0.03 × 100 = 3%
19. B) 12.5%
(1 ÷ 8) × 100 = 12.5%
20. B) 45%
0.45 × 100 = 45%


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