ICSE Class 6 Mathematics - Ratio and Proportion - Test 4 (Expert)
1. Simplify the ratio 28:42.
A. 3:2
B. 2:3
C. 14:21
2. There are 24 boys and 36 girls. What is the ratio of boys to girls in simplest form?
A. 3:2
B. 4:6
C. 2:3
3. In a class, there are 18 boys and 27 girls. What is the ratio of girls to total students?
A. 3:5
B. 2:5
C. 3:2
4. Which ratio is equivalent to 9:13?
A. 9:26
B. 18:26
C. 13:9
5. Are 12:16 and 21:28 in proportion?
A. No
B. Cannot say
C. Yes
6. Find the missing number: 8:13 = ?:39
A. 24
B. 26
C. 30
7. Find the missing number: 15:? = 5:8
A. 18
B. 24
C. 30
8. ₹88 is divided in the ratio 5:6. What is the first share?
A. ₹44
B. ₹48
C. ₹40
9. ₹126 is divided in the ratio 4:5. What is the second share?
A. ₹70
B. ₹56
C. ₹84
10. Find the ratio of 36 cm to 1 m in simplest form.
A. 25:9
B. 9:25
C. 36:1
11. Find the ratio of 45 minutes to 3 hours in simplest form.
A. 4:1
B. 3:45
C. 1:4
12. Find the ratio of 250 ml to 1 litre in simplest form.
A. 1:4
B. 4:1
C. 250:1
13. In the proportion 7:12 = 21:36, what is the product of the extremes?
A. 144
B. 252
C. 432
14. In the proportion 7:12 = 21:36, what is the product of the means?
A. 144
B. 243
C. 252
15. Which pair of ratios forms a proportion?
A. 11:14 and 33:42
B. 8:9 and 16:27
C. 5:12 and 10:18
16. Are 16:20 and 24:30 in proportion?
A. No
B. Yes
C. Cannot say
17. If 9 kg of rice costs ₹414, what is the cost of 4 kg of rice?
A. ₹176
B. ₹180
C. ₹184
18. If 8 notebooks cost ₹200, what is the cost of 14 notebooks?
A. ₹350
B. ₹325
C. ₹375
19. Apples and oranges are in the ratio 5:8. If there are 35 apples, how many oranges are there?
A. 48
B. 56
C. 64
20. Cats and dogs are in the ratio 3:4. If there are 63 animals in all, how many dogs are there?
A. 27
B. 32
C. 36