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  1. 1: 3 = 1 2/3: x. The value of x is?
  2. A.
    1
    B.
    3
    C.
    4 1/6
    D.
    5

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  3. What number has a 5:1 ratio to the number 10?
  4. A.
    42
    B.
    50
    C.
    55
    D.
    62

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  5. If a: b = 7: 5, b: c = 9: 11, find a: b: c?
  6. A.
    63: 14: 55
    B.
    63: 45: 55
    C.
    14: 14: 15
    D.
    7: 14: 15

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  7. If a: b = 3:4, b:c = 7:9, c:d = 5:7, find a:d?
  8. A.
    5:12
    B.
    7:12
    C.
    3:11
    D.
    5:11

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  9. The inverse ratio of 3: 2: 1 is?
  10. A.
    1:2:3
    B.
    2:3:1
    C.
    3:1:2
    D.
    2:3:6

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  11. The duplicate ratio of 3:4 is?
  12. A.
    4:3
    B.
    6:8
    C.
    9:16
    D.
    3:4

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  13. The triplicate ratio of 1:2 is?
  14. A.
    8:1
    B.
    1:8
    C.
    2:1
    D.
    1:2

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

  16. A.
    1:2

    B.
    2:1
    C.
    1:4

    D.
    1:3

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  17. The greatest ratio out of 2:3, 5:4, 3:2 and 4:5 is?
  18. A.
    4:5
    B.
    3:2
    C.
    5:4
    D.
    2:3

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  19. The smallest ratio out of 1:1, 2:1, 1:3 and 3:1 is?
  20. A.
    3:1
    B.
    1:3
    C.
    2:1
    D.
    1:2

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