alleryIn mathematics, a ratio is used to:
AAdd two quantities together
BCompare two quantities
CFind the average of two quantities
DConvert a quantity into a percentage
Answer & Solution
Correct answer: B. Compare two quantities
1. A ratio sets one quantity against another.
2. Ratio means comparing two quantities.
3. If a basket has 20 apples and 5 oranges, the ratio of oranges to apples is 5 : 20, read as 1 : 4.
4. The comparison can equally be written as a fraction, here one fourth.
5. Adding or averaging combines the quantities rather than comparing them.
_Source: syllabus Maths, Ch 7 'Comparing Quantities', S7.1 Recalling Ratios and Percentages_
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