ICSE Class 6 Mathematics - Ratio and Proportion - Test 1 (Basic)
1. What does a ratio show?
A. Only the sum of two numbers
B. Comparison of two quantities
C. Only the difference of two numbers
2. How is the ratio of 2 to 3 written?
A. 2:3
B. 2+3
C. 2-3
3. In the ratio 5:7, what is the antecedent?
A. 7
B. 12
C. 5
4. In the ratio 4:9, what is the consequent?
A. 4
B. 9
C. 13
5. Simplify the ratio 4:8.
A. 1:2
B. 2:1
C. 4:2
6. Simplify the ratio 6:9.
A. 3:2
B. 6:3
C. 2:3
7. What is the simplest form of 10:15?
A. 3:2
B. 2:3
C. 5:3
8. There are 3 boys and 5 girls. What is the ratio of boys to girls?
A. 3:5
B. 5:3
C. 8:3
9. There are 3 boys and 5 girls. What is the ratio of girls to boys?
A. 3:5
B. 8:5
C. 5:3
10. Which ratio is equivalent to 3:4?
A. 3:8
B. 6:8
C. 4:3
11. Are 2:5 and 4:10 equivalent ratios?
A. Yes
B. No
C. Cannot say
12. What is a proportion?
A. Difference of two ratios
B. Sum of two ratios
C. Equality of two ratios
13. Are 1:2 and 3:6 in proportion?
A. No
B. Yes
C. Cannot say
14. Which pair of ratios forms a proportion?
A. 2:3 and 4:6
B. 2:3 and 5:6
C. 3:4 and 6:7
15. In the proportion 2:3 = 4:6, which are the extremes?
A. 3 and 4
B. 2 and 3
C. 2 and 6
16. In the proportion 2:3 = 4:6, which are the means?
A. 2 and 6
B. 3 and 4
C. 2 and 4
17. Which statement is true for a proportion?
A. Product of extremes = Product of means
B. Sum of extremes = Sum of means always
C. Difference of extremes = Difference of means always
18. Find the missing number: 2:3 = 4:?
A. 5
B. 8
C. 6
19. Find the missing number: 5:10 = 1:?
A. 1
B. 2
C. 5
20. What is the ratio of 1 dozen to 6?
A. 2:1
B. 1:2
C. 12:1