Question

The ratio of $20$ minutes to $1$ hour in the simplest form is:

• A. $20:1$
• B. $\frac{1}{3}:1$
• C. $20:60$
• D. $1:3$

Answer 1

The correct option is D

$1:3$

$1$ hour $=60$ minutes

Now ratio of $20$ minutes to $60$ minutes is:

$\Rightarrow 20:60$ (Dividing by $20$ on both sides)

$\Rightarrow 1:3$

Hence, the final ratio is $1:3$