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 age of 19 girls is 45 years. If the age of

      one more girl is added the average decreases by half a year. What is the age of new girl?
      A 28 Correct Answer Incorrect Answer
      B 33 Correct Answer Incorrect Answer
      C 35 Correct Answer Incorrect Answer
      D 30 Correct Answer Incorrect Answer

      Solution

      Total age of 19 girls = 19 times; 45 = 855 years If the age of one more girl is added the average decreases by half a year, there4; Total age of 20 girls = 44.5 times; 20 = 890 Now, the age of new girl = 890 ndash; 855 = 35 years

      Practice Next
      ask-question