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deepaksoni
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Find the reciprocal ratio of (i) 4: 7 (ii) 32: 42 (iii) 1/9: 2

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It is a question from ML aggarwal, class 10th, chapter 7, ratio and proportion, Avichal publication

This is a basic question of this chapter

In this ques we have to find the reciprocal ratio of given ratio that is given in the ratio of a:b

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1 Answer

  1. Solution:

    (i) 4: 7

    We know that

    Reciprocal ratio of 4: 7 = 7: 4

    (ii) 32: 42

    We know that

    Reciprocal ratio of 32: 42 = 42: 32 = 16: 9

    (iii) 1/9: 2

    We know that

    Reciprocal ratio of 1/9: 2 = 2: 1/9 = 18: 1

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