Ratio Quiz 10 (10 MCQs)

Quiz Instructions

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1. Three friends, Renjun, Jaemin, and Chenle, spend 40 minutes cleaning a room in the ratio 2:3:5. How much time does Chenle spend?

Correct Answer: B) 20 minutes.

2. Ratio is a number, so it has got no units.

Correct Answer: A) True.

3. Harsha is 40 years old. Rita is 60 year old. How many years ago was the ratio of their ages of 3:5?

Correct Answer: A) 10 years.

4. Challenge: A rectangular field is 100 m long and 50 m wide. Find the ratio of length to the perimeter.

Correct Answer: B) 1:3.

5. Identify the equivalent ratio for $\frac{5}{8}$

Correct Answer: B) $\frac{10}{16}$.

6. In a group, the ratio of doctors to lawyers is 5:4. If the total number of people in the group is 72, what is the number of lawyers in the group?

Correct Answer: D) 32.

7. What least number must be subtracted from each term of the ratio 15: 19 to make the ratio 3: 4?

Correct Answer: A) 3.

8. ONE of these ratios is NOT equivalent to the ratio 5: 9. Which is it?

Correct Answer: C) 15: 19.

9. Simplify the ratio 45:72

Correct Answer: C) 5:8.

10. Write 5:20 as the simplest form.

Correct Answer: A) 1:4.