When each of the opposite sides of a square is increasedby 8cm then ratio of sides of the rectangle thus formed is 5:3. What is the area of the original square?	Choose one:  A) 123  B) 132  C) 154  D) 144  E) 175
Sol. (x+8)/x = 5/3   X = 12   Required area = 12*12= 
<gadget id="calculator">12*12</gadget>
<output>144</output>
144   144
<result>D</result>
When each of the opposite sides of a square is increasedby 8cm then ratio of sides of the rectangle thus formed is 5:3. What is the area of the original square?