πŸ“’ Too many exams? Don’t know which one suits you best? Book Your Free Expert πŸ‘‰ call Now!

  • google app store apple app store
  • βœ–

      Question

      The average of two consecutive even numbers is 85. If

      the smaller number is increased by 20% and the larger number is decreased by 20%, then find the difference between the numbers obtaine
      A 28 Correct Answer Incorrect Answer
      B 32 Correct Answer Incorrect Answer
      C 36 Correct Answer Incorrect Answer
      D 30 Correct Answer Incorrect Answer

      Solution

      Let the two consecutive even numbers be x and x + 2.

      ATQ,
      (x + x + 2)/2 = 85 => x + 1 = 85 => x = 84

      Required difference = 1.2 Γ— 84 - 0.8 Γ— 86 = 100.8 - 68.8 = 32

      Practice Next
      ask-question