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Average and Ages Practice

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  1. Q1Average and AgesMedium
    The average weight of 21 students is 45 kg. When one student weighing 41 kg is replaced by a new student, the average increases by 2 kg. What is the weight of the new student?
  2. Q2Average and AgesEasy
    Find the average of 37, 53, 28, 15, 79, 76.
  3. Q3Average and AgesEasy
    Find the average of 52, 22, 70, 23, 63.
  4. Q4Average and AgesEasy
    Find the average of 43, 82, 88, 35, 58, 30.
  5. Q5Average and AgesMedium
    The average weight of 29 students is 60 kg. When one student weighing 66 kg is replaced by a new student, the average increases by 1 kg. What is the weight of the new student?
  6. Q6Average and AgesEasy
    Find the average of 30, 83, 35, 79, 13.
  7. Q7Average and AgesEasy
    Find the average of 29, 39, 95, 64, 14, 41.
  8. Q8Average and AgesEasy
    Find the average of 12, 43, 95, 18, 32.
  9. Q9Average and AgesMedium
    The present ages of Manoj and Deepa are in the ratio 4 : 3. After 4 years the ratio will be 16 : 13. What is Manoj's present age?
  10. Q10Average and AgesMedium
    The average weight of 18 students is 67 kg. When one student weighing 52 kg is replaced by a new student, the average increases by 1.5 kg. What is the weight of the new student?