1) If + means -, - means x, / means + and x means / , then 15 - 3 + 10 x 5 / 5? A) 5 B) 22 C) 48 D) 52 Answer: Option CExplanation:Given expression = 15 x 3 - 10 / 5 + 5 = 45 - 2 + 5 = 50 - 2=48