1) Which of the following meanings of the arithmetical signs will yield the value 'zero' for the expression given below? 200 x 100 + 300 x 200 -10 / 2 + 40 A) + means -, - means x, x means /, / means + B) + means -, - means /, x means +, / means x C) + means x, - means -, x means /, / means + D) + means /, - means +, x means -, / means x E) None of these Answer: Option BExplanation:Using the option b we get 200 + 100 - 300 + 200 / 10 x 2 - 40 = 300 - 300 + 20 x 2 - 40 = 0 + 40 - 40 = 0