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

11.3 - Inverse Proportion

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

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

💡 Hint: Remember, more workers decrease the time needed.

Question 2 Easy

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

💡 Hint: Consider how the cost of each apple affects the total number.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

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

Increases
Decreases
Remains the same

💡 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

💡 Hint: Recall the definition mentioned earlier in the session.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

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

💡 Hint: Remember the initial conditions and apply the inverse relationship.

Challenge 2 Hard

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

💡 Hint: Utilize the inverse proportion method in calculating the required workforce.

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