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Average and Ages Practice

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  1. Q1Average and AgesMedium
    The present ages of Rahul and Karan are in the ratio 4 : 3. After 5 years the ratio will be 5 : 4. What is Rahul's present age?
  2. Q2Average and AgesMedium
    The average weight of 20 students is 51 kg. When one student weighing 67 kg is replaced by a new student, the average increases by 1 kg. What is the weight of the new student?
  3. Q3Average and AgesMedium
    The average weight of 19 students is 58 kg. When one student weighing 49 kg is replaced by a new student, the average increases by 3 kg. What is the weight of the new student?
  4. Q4Average and AgesMedium
    The average weight of 28 students is 41 kg. When one student weighing 57 kg is replaced by a new student, the average increases by 3 kg. What is the weight of the new student?
  5. Q5Average and AgesMedium
    The average weight of 27 students is 42 kg. When one student weighing 61 kg is replaced by a new student, the average increases by 2 kg. What is the weight of the new student?
  6. Q6Average and AgesMedium
    The present ages of Vikram and Lakshmi are in the ratio 7 : 4. After 6 years the ratio will be 8 : 5. What is Vikram's present age?
  7. Q7Average and AgesMedium
    The present ages of Pooja and Rohan are in the ratio 3 : 7. After 8 years the ratio will be 5 : 9. What is Pooja's present age?
  8. Q8Average and AgesEasy
    Find the average of 36, 94, 31, 19, 91, 31, 97.
  9. Q9Average and AgesEasy
    Find the average of 84, 92, 84, 40, 45, 75.
  10. Q10Average and AgesEasy
    Find the average of 55, 98, 96, 73, 53.