Question Paper
Class / Subject: Class 10 (ICSE) · Mathematics
Chapter: Chapter 7 — Chapter 7: Ratio and Proportion
Time Allowed: 32 minutes
Max Marks: 16
1. What is continued proportion? [1]
(A) a:b = b:c relationship
(B) Only a:b relationship
(C) No specific relationship
(D) A single ratio only
2. What is the mean proportional? [1]
(A) b in a:b=b:c, calculated as √(a×c)
(B) a in the relationship
(C) c in the relationship
(D) None of these
3. What is the mean proportional between 4 and 9? [1]
(A) 6
(B) 6.5
(C) 13
(D) 36
4. What is invertendo? [1]
(A) A property of proportion
(B) A type of equation
(C) A type of triangle
(D) A type of circle
5. What do proportion properties help with? [1]
(A) Simplifying complex problems
(B) Making problems harder
(C) Nothing useful
(D) Only decoration
6. What real-life situation uses ratio and proportion? [1]
(A) Mixing solutions and scaling recipes
(B) Only maths class problems
(C) Nothing real-life
(D) Only abstract theory
7. Why learn advanced ratio and proportion? [1]
(A) For solving complex real-life problems
(B) No reason
(C) It's not useful
(D) Only for tests
8. If a:b=b:c and a=2, c=8, what is b? [1]
(A) 4
(B) 5
(C) 10
(D) 16
9. What is continued proportion? [1]
(A) a:b = b:c relationship
(B) Only a:b relationship
(C) No specific relationship
(D) A single ratio only
10. What is the mean proportional? [1]
(A) b in a:b=b:c, calculated as √(a×c)
(B) a in the relationship
(C) c in the relationship
(D) None of these
11. What is the mean proportional between 4 and 9? [1]
(A) 6
(B) 6.5
(C) 13
(D) 36
12. What is invertendo? [1]
(A) A property of proportion
(B) A type of equation
(C) A type of triangle
(D) A type of circle
13. What do proportion properties help with? [1]
(A) Simplifying complex problems
(B) Making problems harder
(C) Nothing useful
(D) Only decoration
14. What real-life situation uses ratio and proportion? [1]
(A) Mixing solutions and scaling recipes
(B) Only maths class problems
(C) Nothing real-life
(D) Only abstract theory
15. Why learn advanced ratio and proportion? [1]
(A) For solving complex real-life problems
(B) No reason
(C) It's not useful
(D) Only for tests
16. If a:b=b:c and a=2, c=8, what is b? [1]
(A) 4
(B) 5
(C) 10
(D) 16