#### Find the sub-duplicate ratio of

(i) 9: 16

(ii) : ,

(iii) 9a^{2}: 49b^{2}

**Solution:**

#### Find the sub-triplicate ratio of

(i) 1: 216

(ii) :

(iii) 27a^{3}: 64b^{3}

**Solution:**

**More Solutions:**

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- Find the value of x in the following proportions.
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