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Ratios and Proportions Quiz

Ten Ratios and Proportions practice questions cover calculations and concepts. Every answer is explained.

Free, with no sign-up.

ByLelfy Editorial Team

For High school students and adults reviewing the topic.

About 16 minutes. 10 questions.

How does it work?

  1. Choose one answer or enter a number in the stated unit, then check it.
  2. Round only the final answer to the precision requested.

What will you get?

Review a score and an explanation for every answer.

Question 1Simplify 42:70 to coprime whole numbers. Enter the first term with no unit, rounded to the nearest whole number.

Answers within 0.5 of the expected value are accepted.

Question 2Two partners share $650 in the ratio 4:9. Find the first partner’s share in dollars, rounded to two decimals.

Answers within 0.005 dollars of the expected value are accepted.

Question 3A supplier charges $44 for 8 equal lengths of ribbon at a constant rate. Find the cost of 14 lengths in dollars, rounded to two decimals.

Answers within 0.005 dollars of the expected value are accepted.

Question 4On a map, the scale represents 3 km per cm. A route measures 8.4 cm. Find its ground distance in km, rounded to one decimal place.

Answers within 0.05 km of the expected value are accepted.

Question 5A 1.6 kg package costs $9.28. Find its unit price in dollars/kg, rounded to two decimals.

Answers within 0.005 dollars/kg of the expected value are accepted.

Question 6A juice blend uses 2 parts concentrate to 7 parts water. Assuming volumes add, find the concentrate in 4.5 L of blend, in L rounded to two decimals.

Answers within 0.005 L of the expected value are accepted.

Question 7Which ratio is equivalent to 15:24?
Question 8A bag contains 7 red counters and 11 blue counters. Which fraction of the counters is red?
Question 9Which equation represents a proportional relationship with output y and input x?
Question 10For a constant recipe, 6 batches need 21 kg of an ingredient. How many kilograms do 10 batches need?

Answer every question to see and share your score.

Read the topic guide