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      Question

      If 30 $ 90 % 40 = c, then the value of 5 @ c #

      20 Directions (Q.26-30): In a certain instruction system the different computational processes are written as follows: a) P @ Q # R: means “sum of Q and R is subtracted from the cube of P. b) P + Q * R: means “product of Q and R is subtracted from the square of P. c) P < Q > R: means “Product of P and Q is added to product of P and R. d) P $ Q % R: means “P percent of Q is added to R.
      A 20 Correct Answer Incorrect Answer
      B 30 Correct Answer Incorrect Answer
      C 35 Correct Answer Incorrect Answer
      D 38 Correct Answer Incorrect Answer
      E none of these Correct Answer Incorrect Answer

      Solution

      : 30 $ 90 % 40 = c ⇒ 30% of 90 + 40 ⇒ 27 + 40 = 67 5 @ c # 20 ⇒ 5³ - (67 + 20) = 125 - 87 = 38

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