The breadth of a rectangular hall is two-thirds of its length. If the area of the hall is 2400 sq metres, what is the length in metres? Options:
A) 120 B) 80 C) 60 D) 40 E) None of these
Let the length of the rectangular hall be ‘x’ m, then the breadth of the rectangular hall = 2x⁄3 m.   Area of hall = 2x⁄3 × x = 2x2⁄3   or, 2x2⁄3 = 2400 or x = 60 m   Answer 60
<result>C</result>
The breadth of a rectangular hall is two-thirds of its length. If the area of the hall is 2400 sq metres, what is the length in metres?