Practice Direct Proportion - 11.2 | 11. Direct and Inverse Proportions | CBSE 8 Mathematics
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11.2 - Direct Proportion

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

If the cost of 2 kg of sugar is

72, how much would 5 kg cost?

πŸ’‘ Hint: Think about the ratio.

Question 2

Easy

If 4 litres of petrol cost 60, what would 16 litres cost?

πŸ’‘ Hint: Multiply the cost of 4 litres by 4.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

If two quantities are said to be in direct proportion, what does that mean?

  • They change independently
  • They change together in a consistent ratio
  • They do not affect each other

πŸ’‘ Hint: Think about how one quantity affects another.

Question 2

Is it true that if two variables maintain constant ratios, they are in direct proportion?

  • True
  • False

πŸ’‘ Hint: Recall how ratios work.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

A photograph of a bacteria is enlarged 50,000 times, having a length of 5 cm. What is the actual length of the bacteria, and if enlarged only 20,000 times, what would be its length?

πŸ’‘ Hint: Think about how enlargement affects size.

Question 2

Two cities are 4 cm apart on a map with a scale of 1:30000000. What is the actual distance?

πŸ’‘ Hint: Use the scale ratio to calculate actual distances.

Challenge and get performance evaluation