Question

Proportions are denoted by the symbol _________ .

• A. : :
• B. >
• C. =
• D. :

Answer 1

Answer: (A), (C)

The correct options are
A : :
C =

When two ratios are equal in value, then they are said to be in proportion. In simple words, it compares two ratios. Proportions are denoted by the symbol ‘::’ or ‘=’.
Let a : b and c : d be in proportion,
$\Rightarrow \frac{a}{b}=\frac{c}{d}$ or a : b :: c : d