The length of one pair of opposite sides of a square is increased by 5 cm on each side: the ratio of the length and the breadth of the newly formed rectangle becomes 3 : 2. What is the area of the original square?
25 sq.cm.
81 sq.cm.
225 sq.cm
None of these
Correct Answer : C
The length of a rectangular hall is 5 m more than its breadth. The area of the hall is 750 m2. The length of the hall is: