Practice Inverse Proportion - 11.3 | 11. Direct and Inverse Proportions | CBSE 8 Mathematics
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11.3 - Inverse Proportion

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

If 5 workers can complete a job in 20 hours, how long will it take 10 workers?

πŸ’‘ Hint: Remember, more workers decrease the time needed.

Question 2

Easy

If 12 apples cost $3, how many apples can you buy for $12?

πŸ’‘ Hint: Consider how the cost of each apple affects the total number.

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 the cost of one book increases, what happens to the number of books purchased?

  • Increases
  • Decreases
  • Remains the same

πŸ’‘ Hint: Think about how budget constraints affect buying capacity.

Question 2

In a situation of inversely proportional quantities, if one quantity goes up, the other must go down. True or False?

  • True
  • False

πŸ’‘ Hint: Recall the definition mentioned earlier in the session.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

A farmer has enough grain to last 60 livestock for 20 days. If he buys 10 more livestock, how long will the food last?

πŸ’‘ Hint: Remember the initial conditions and apply the inverse relationship.

Question 2

A wall can be built by 10 workers in 15 days. How many workers are needed to complete it in 10 days?

πŸ’‘ Hint: Utilize the inverse proportion method in calculating the required workforce.

Challenge and get performance evaluation