For example:
Consider the clock shown below.
Observe that the angle formed between the hands of the clock is more than 0°, but less than 90°.
So, it is an acute angle.
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
The correct answer is
The smallest number is the one that comes first while counting.
To arrange the given numbers in order from smallest to greatest, find the smallest number among all the given numbers.
21,27,23
21 is the smallest number.