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  • Question
  • In Arun's opinion, his weight is greater than 65 kg but less than 72 kg. His brother doest not agree with Arun and he thinks that Arun's weight is greater than 60 kg but less than 70 kg. His mother's view is that his weight cannot be greater than 68 kg. If all are them are correct in their estimation, what is the average of different probable weights of Arun?


  • Options
  • A. 67 kg.
  • B. 68 kg.
  • C. 69 kg.
  • D. Data inadequate
  • E. None of these

  • Correct Answer
  • 67 kg. 

    Explanation
    Let Arun's weight by X kg.

    According to Arun, 65 < X < 72

    According to Arun's brother, 60 < X < 70.

    According to Arun's mother, X <= 68

    The values satisfying all the above conditions are 66, 67 and 68.

    ∴ Required average = 66 + 67 + 68 = 201 = 67 kg.
    3 3

  • Average problems


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    • 1. The captain of a cricket team of 11 members is 26 years old and the wicket keeper is 3 years older. If the ages of these two are excluded, the average age of the remaining players is one year less than the average age of the whole team. What is the average age of the team?

    • Options
    • A. 23 years
    • B. 24 years
    • C. 25 years
    • D. None of these
    • Discuss
    • 2. A family consists of two grandparents, two parents and three grandchildren. The average age of the grandparents is 67 years, that of the parents is 35 years and that of the grandchildren is 6 years. What is the average age of the family?

    • Options
    • A. 2847 years
    • B. 3157 years
    • C. 3217 years
    • D. None of these
    • Discuss
    • 3. On what dates of April, 2001 did Wednesday fall?

    • Options
    • A. 1st, 8th, 15th, 22nd, 29th
    • B. 2nd, 9th, 16th, 23rd, 30th
    • C. 3rd, 10th, 17th, 24th
    • D. 4th, 11th, 18th, 25th
    • Discuss
    • 4. It was Sunday on Jan 1, 2006. What was the day of the week Jan 1, 2010?

    • Options
    • A. Sunday
    • B. Saturday
    • C. Friday
    • D. Wednesday
    • Discuss
    • 5. Which of the following is not a leap year?

    • Options
    • A. 700
    • B. 800
    • C. 1200
    • D. 2000
    • Discuss
    • 6. If the average marks of three batches of 55, 60 and 45 students respectively is 50, 55, 60, then the average marks of all the students is:

    • Options
    • A. 53.33
    • B. 54.68
    • C. 55
    • D. None of these
    • Discuss
    • 7. The average weight of A, B and C is 45 kg. If the average weight of A and B be 40 kg and that of B and C be 43 kg, then the weight of B is:

    • Options
    • A. 17 kg
    • B. 20 kg
    • C. 26 kg
    • D. 31 kg
    • Discuss
    • 8. The average monthly income of P and Q is Rs. 5050. The average monthly income of Q and R is Rs. 6250 and the average monthly income of P and R is Rs. 5200. The monthly income of P is:

    • Options
    • A. 3500
    • B. 4000
    • C. 4050
    • D. 5000
    • Discuss
    • 9. The average of 20 numbers is zero. Of them, at the most, how many may be greater than zero?

    • Options
    • A. 0
    • B. 1
    • C. 10
    • D. 19
    • Discuss
    • 10. In the first 10 overs of a cricket game, the run rate was only 3.2. What should be the run rate in the remaining 40 overs to reach the target of 282 runs?

    • Options
    • A. 6.25
    • B. 6.5
    • C. 6.75
    • D. 7
    • Discuss


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