7th Class Mathematics Comparing Quantities

  • question_answer 6) Estimate what  part of the figures is coloured and hence find the percent which is coloured (i)              (ii)              (iii)                

    Answer:

                    (i) \[\frac{1}{4}\]part is coloured.                 \[\frac{1}{4}=\frac{1}{4}\times 100%=25%\]                 So, 25 percent part is coloured.                 (ii) \[\frac{3}{5}\]part is coloured.                 \[\frac{3}{5}=\frac{3}{5}\times 100%=60%\]                 So, 60 percent part is coloured.                 (iii) \[\frac{3}{8}\] part is coloured.                 \[\frac{3}{8}=\frac{3}{8}\times 100%=\frac{75}{2}%\]or 37.5%                 So, \[\frac{75}{2}\]percent part is coloured.

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