Questions on Conversion of Decimals and Fractions as Percents

 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%

Questions on Conversion of Decimals and Fractions as Percents

 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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Ronaldo Silva: Professor and Specialist in Science Teaching, from UFF/RJ, with more than 25 years of experience in teaching.

 
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