๐Ÿ“ข Too many exams? Donโ€™t know which one suits you best? Book Your Free Expert ๐Ÿ‘‰ call Now!

  • google app store apple app store
  • โœ–

      Question

      A number is first increased by 30% and then decreased by

      20%. Find the percentage increase or decrease in the original number.
      A 2% Correct Answer Incorrect Answer
      B 4% Correct Answer Incorrect Answer
      C 5% Correct Answer Incorrect Answer
      D 10% Correct Answer Incorrect Answer

      Solution

      ATQ, Let the original number be 100n Final number = 1.3 ร— 0.8 ร— 100n = 104n Therefore, percentage increase = [(104n โˆ’ 100n) รท 100n] ร— 100 = 4%

      Practice Next
      ask-question