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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?
π‘ Hint: Think about the ratio.
Question 2
Easy
If 4 litres of petrol cost 60, what would 16 litres cost?
π‘ Hint: Multiply the cost of 4 litres by 4.
Practice 4 more questions and get performance evaluation
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?
π‘ 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?
π‘ Hint: Recall how ratios work.
Solve and get performance evaluation
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?
π‘ 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?
π‘ Hint: Use the scale ratio to calculate actual distances.
Challenge and get performance evaluation