The length is 8. Therefore, the width is 4.
The area of a rectangle is: 8*4=32 square units. The correct answer is (C)
Hello!
Mode :

Given observations are :-
22,40,21,18,47,22,19
Now , mode =

The answer is 22 as it appears two times in the given set of observations.
Hope this is clear :)
Have a good day:)