Ratio and proportion Online Quizzes - Section 9

1. 1:3 = 1 2/3:x. The value of x is?






2. What number has a 5:1 ratio to the number 10?






3. If a: b = 7: 5, b: c = 9: 11, find a: b: c?






4. If a: b = 3:4, b:c = 7:9, c:d = 5:7, find a:d?






5. The inverse ratio of 3: 2: 1 is?






6. The duplicate ratio of 3:4 is?






7. The triplicate ratio of 1:2 is?






8. The sub-duplicate ratio of 1:4 is






9. The greatest ratio out of 2:3, 5:4, 3:2 and 4:5 is?






10. The smallest ratio out of 1:1, 2:1, 1:3 and 3:1 is?






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