If the quantity in column A is greater than the quantity in column B.
    If the quantity in column B is greater than the quantity in column A.
    If the quantities are equal.
    If the comparison cannot be determined from the information that is given. 
    A rectangle is 14 cm long and 10 cm wide. If the length is reduced by x cms and its width is increased also by x cms so as to make it a square then its area changes by :
        4
        144
        12
        2
        None of the above. 
    Ans : A