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29 July, 00:59

Jo's collection contains US, Indian and British stamps. If the ratio of US to Indian stamps is 5 to 2 and the ratio of Indian to British stamps is 5 to 1, what is the ratio of US to British stamps?

A. 5 : 1

B. 10 : 5

C. 15 : 2

D. 20 : 2

E. 25 : 2

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Answers (1)
  1. 29 July, 01:13
    0
    Ratio of US to Indian stamps is 5:2

    U/I = 5:2

    = 25:10

    Ratio of Indian to British stamps is 5:1

    I/B = 5:1

    = 10:2

    Now, Ratio of US to British stamps

    U/B = 25:2

    The answer is E.
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