Practice Introduction - 11.1 | 11. Direct and Inverse Proportions | CBSE 8 Mathematics
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11.1 - Introduction

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

If you buy 3 apples for $1, how much would 6 apples cost?

πŸ’‘ Hint: Think about how the cost changes with the number of apples.

Question 2

Easy

If 5 workers can build a wall in 10 hours, how long would it take 10 workers?

πŸ’‘ Hint: Consider how the number of workers affects time.

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

What happens to the other quantity in direct proportion when one quantity increases?

  • It remains constant
  • It decreases
  • It increases

πŸ’‘ Hint: Reflect on everyday scenarios of purchasing items.

Question 2

True or False: Inverse proportions mean both quantities change in the same direction.

  • True
  • False

πŸ’‘ Hint: Think about how workers affect time for a task.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

If a factory employs 50 workers to finish a job in 25 days. If they double the workforce, how long will it now take?

πŸ’‘ Hint: Use the relationship between workers and time.

Question 2

A car covers 90 km in 1 hour, how far will it go in 2.5 hours at the same speed?

πŸ’‘ Hint: Calculate the total distance using the speed.

Challenge and get performance evaluation