1.

In a school,there are 420 boys and 180 girls .Find the ratio of :(i)girls to boys (ii)girls to total number of students(iii)boys to total number of students​

Answer»

(i)

\frac{girls}{boys} = \frac{180}{420} = \frac{3}{7}

(ii)

\frac{girls}{total} = \frac{180}{180 + 420} = \frac{3}{10}

(iii)

\frac{boys}{total} = \frac{420}{600} = \frac{7}{10}

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