Rows go left and right.
Columns go up and down.
The partition lines for both, rows and columns, should be the same distance apart in order to have same-sized squares.
This rectangle is divided into 3 equal rows and 4 equal columns.
By dividing the rectangle into 3 equal rows and 4 equal columns, we get 12 same-sized squares.
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.