1) Which of the following four interchanges in signs and numbers would make the given equation correct? 6 x 4 + 2 = 16 A) + and x , 2 and 4 B) + and x , 2 and 6 C) + and x, 4 and 6 D) None of these Answer: Option CExplanation:On interchanging + and x and 4 and 6 ,we get the equation as: 4 + 6 x 2 = 16 or 4 + 12 = 16 or 16 = 16