7th Class Mathematics Comparing Quantities

  • question_answer 15) Convert each part of the ratio to percentage (a) 3:1                                   (b) 2:3:5                               (c) 1:4                                   (d) 1:2:5                

    Answer:

                    (a) 3:1 Total of parts     3 + 1 = 4 First part of the ratio Second part of the ratio (b) 2: 3: 5 Total of parts  First part of the ratio Second part of the ratio Third part of the ratio (c) 1:4 Total of parts First part of the ratio Second part of the ratio (d) 1: 2: 5 Total of parts First part of the ratio or 12.5% Second part of the ratio Third Part of the ratio \[=\frac{5}{8}\times 100%=\frac{125}{2}%\]or 62.5%.

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