1.

Write the compound ratio of  3 : 5 and 4 : 3

Answer»

Given ratios are 3 : 5 and 4 : 3. 

If a : b and c : d are ratios,

then their compound ratio is product of antecedents : product of extremes.

that is a × c : b : d 

3 × 4 : 5 × 3 

12 : 15 

∴ Compound ratio = 4 : 5



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