This quiz works best with JavaScript enabled. Home > Class 4 > Class 4 Maths Chapter 8 Carts And Wheels – Quiz 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 4 Maths Chapter 8 Carts And Wheels Quiz 2 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A circular carpet has a radius of 80 cm what will be it's diameter? A) 40 cm. B) 80 cm. C) 160 cm. D) None of the above. Show Answer Correct Answer: C) 160 cm. 2. Each radius of a circle is also a chord of the circle A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 3. If the radius of a circle is 2.5 cm, its diameter is ..... A) 5 cm. B) 25 cm. C) 7 cm. D) 2 cm. Show Answer Correct Answer: A) 5 cm. 4. If the radius of the circle is 5 cm. what will be its diameter? A) 10. B) 8. C) 12. D) 6. Show Answer Correct Answer: A) 10. 5. Radius is just ..... of a diameter. A) Double. B) Quarter. C) Half. D) None of above. Show Answer Correct Answer: C) Half. 6. The length of the radius of a circle is 40 cm. So, the length of the diameter will be- A) 20 cm. B) 10 cm. C) 80 cm. D) 120cm. Show Answer Correct Answer: C) 80 cm. 7. If you trace the CD what shape you will get A) Square. B) Cube. C) Circle. D) Rectangle. Show Answer Correct Answer: C) Circle. 8. The relation between radius and diameter is A) Radius is the same as the diameter. B) Radius is twice the diameter. C) Diameter is twice the radius. D) They have no relation. Show Answer Correct Answer: C) Diameter is twice the radius. 9. How many diameter can draw in a circle? A) 1. B) 2. C) 3. D) Infinity. Show Answer Correct Answer: D) Infinity. 10. Diameter is ..... of radius A) Same as. B) Twice. C) Thrice. D) None of the above. Show Answer Correct Answer: A) Same as. 11. Radius is the half of A) Circle. B) Size. C) Length. D) Diameter. Show Answer Correct Answer: D) Diameter. 12. If you divide 73 by 6, what will be the remainder? A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: A) 1. 13. Diameter is just ..... of a radius. A) Double. B) Triple. C) Half. D) None of above. Show Answer Correct Answer: A) Double. 14. Find radius if diameter is 16 cm A) 16 cm. B) 8 cm. C) 10 cm. D) None of the above. Show Answer Correct Answer: B) 8 cm. 15. Choose the correct relationship formula A) D = 2R. B) R = 2D. C) D = R. D) None of the above. Show Answer Correct Answer: A) D = 2R. 16. Boundary of a circle is called ..... A) Radius. B) Circumference. C) Diameter. D) Center. Show Answer Correct Answer: B) Circumference. 17. A circle has more than one centre. State true or false A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 18. Circle is a ..... dimensional shape. A) 2-dimensional. B) 1-dimensional. C) 3-dimensional. D) Round-dimensional. Show Answer Correct Answer: A) 2-dimensional. 19. If the diameter of a circle is 20 cm, its radius will be ..... A) 40 cm. B) 15 cm. C) 5 cm. D) 10 cm. Show Answer Correct Answer: D) 10 cm. 20. A circle is a/an A) Open figure. B) Closed figure. C) Half open figure. D) None of the above. Show Answer Correct Answer: B) Closed figure. 21. A ..... is an instrument used to make a circle. A) Compess. B) Compase. C) Compass. D) Campass. Show Answer Correct Answer: C) Compass. 22. If my radius is 10 cm, what is my diameter? A) 5 cm. B) 10 cm. C) 15 cm. D) 20 cm. Show Answer Correct Answer: D) 20 cm. 23. Which of the following can pass through the centre of a circle? A) Circumference. B) Diameter. C) Chord. D) None of these. Show Answer Correct Answer: B) Diameter. 24. A circle can have ..... diameter. A) Only one. B) Only two. C) Only four. D) Unlimited. Show Answer Correct Answer: D) Unlimited. 25. If the diameter of a circle is 12 cm, its radius will be A) 24 cm. B) 8 cm. C) 6 cm. D) 12 cm. 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