Global MCQ Practice

šŸŒ Total MCQ
šŸ  Homepage šŸ“˜ Download PDF Books šŸ“• Premium PDF Books

Class 8 Maths Chapter 13 Direct And Inverse Proportions Quiz 4 (25 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. In a hostel of 50 girls, there are food provisions for 40 days. If 30 more girls join the hostel, how long will these provisions last?
2. If a tree 24 m high casts a shadow of 15 m, then the height of a pole that casts a shadow of 6 m under similar conditions is 9.6 m.
3. What kind of equation is this?xy=8
4. Meenakshi cycles to her school at an average speed of 12km/h and takes 20 minutes to reach her school. If she wants to reach her school in 12 minutes, her average speed should be
5. If the both quantities are increasing or decreasing then they are called
6. The amount of money spent at the gas station varies directly with the number of gallons purchased. When 9.5 gallons of gas were purchased the cost was $ 36.52. How much would 12 gallons of gas cost?
7. Explain how you can identify a direct proportion from a given set of data.
8. Which equation exhibits a direct proportion?
9. Which situation involves a direct proportion?
10. What type of variation does this scenario represent?The length of time you charge your cell phone and the battery power
11. If x and y are in inverse proportion, then (x +1) and (y +1) are also in inverse proportion.
12. 10 metres of cloth cost Rs 1000. What will 4 metres cost?
13. The amount of extension in an elastic string varies directly as the weight hung on it. If a weight of 150 gm produces an extension of 2.9 cm, then what weight would produce an extension of 17.4 cm?
14. X and y very inversely. When x = 15 then y = 6. What will be the value when x = 9?
15. Which of the following is a case of inverse variation?
16. Which of the following are not in inverse proportion?
17. The cost of 5 meters of a particular quality of cloth is ā‚¹ 210. Find the cost of 17 meters of the same quality of cloth.
18. The amount of money earned on a job is directly proportional to the number of hours worked. If $ 70.00 is earned in 5 hours, how much money is earned in 22 hours of work?
19. If y varies inversely as x and y=2 as x = 8, find x when y=-7
20. The number of centimeters y in a linear measurement varies directly with the number of inches x in the measurement. Pablo's height is 167.64 centimeters or 66 inches. What is Maria's height in centimeters if she is 63 inches tall?
21. The scale of a map is given as 1:4500000. Two cities are 4 cm apart onthe map. Find the actual distance between them.
22. 3 knives cost Rs 63. What will 17 knives cost?
23. Every 30 seconds, you can text 35 words. How many words can you type in an hour?
24. Identify a real-life scenario that represents an inverse proportion.
25. The number of hours to paint a house varies inversely with the number of painters working. A 2400-square foot house can be painted in 27 hours by 6 painters. How many painters would need to work in order to paint the house in 18 hours?
šŸ  Back to Homepage šŸ“˜ Download PDF Books šŸ“• Premium PDF Books