An interrogative sentence asks a question. It ends in a question mark, and often, the predicate or part of the predicate comes before the subject.
Do you go to school?
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 is the smallest number.