Area - General Aptitude

Q1:

The diagonal of the floor of a rectangular closet is 7 feet. The shorter side of the closet is 4 feet. What is the area of the closet in square feet?

A
5 1
4

B
13 1
2

C 27

D 37

ANS:A -

5 1
4

Other side =
15 2 - 9 2
2 2
ft
  =
225 - 81
4 4
ft
  =
144
4
ft
  = 6 ft.
   Area of closet = (6 x 4.5) sq. ft = 27 sq. ft.