Class 8 Maths Practice Test: Comparing Quantities - Ratios and Percentages — Flashcards | Class 8 Math | FatSkills

Class 8 Maths Practice Test: Comparing Quantities - Ratios and Percentages — Flashcards

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A ratio is a comparison of two similar quantities. Given any two similar quantities a and b, the ratio of a to b that is a:b is defined as a:b = a/b, where b≠0.

Percentage means 'by the hundred' or 'divide by one hundred'. The percentage is also used to compare quantities, which means 'per 100'.

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A class has 30 girls and 40 boys. What is ratio of number of girls to total students in class?
\(\frac{3}{7}\)
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