logo

CuriousTab

CuriousTab

Discussion


Home Aptitude Average Comments

  • Question
  • The average of a non-zero number and its square is 11 times the number. The number is ?


  • Options
  • A. 22
  • B. 21
  • C. 11
  • D. 17

  • Correct Answer
  • 22 

    Explanation

    Let the number be 'x'.

     

     

     

    x + x 2 2  = 11x
    x 2 = 22x
    => x = 22.


  • Average problems


    Search Results


    • 1. Of the following, which is greater than ½ ? Indicate ALL such fractions.

    • Options
    • A. 2/5
    • B. 4/7
    • C. 4/9
    • D. 5/11
    • Discuss
    • 2. A family consists of grandparents, 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. 31( 5/7)
    • B. 32 (6/7)
    • C. 34(4/7)
    • D. 35(4/9)
    • Discuss
    • 3. When all the students in a school are made to stand in rows of 54, 30 such rows are formed. If the students are made to stand in rows of 45, how many such rows will be formed ?

    • Options
    • A. 22
    • B. 36
    • C. 32
    • D. 26
    • Discuss
    • 4. A batsman scores 26 runs and increases his average from 14 to 15. Find the runs to be made if he wants top increasing the average to 19 in the same match ?

    • Options
    • A. 74
    • B. 79
    • C. 72
    • D. 60
    • Discuss
    • 5. The average of 26,29,n,35 and 43 lies between 25 and 35. If n is always an integer and greater than the average of the given integers then the value of n is :

    • Options
    • A. 33
    • B. 34
    • C. 33
    • D. None of these
    • Discuss
    • 6. Amithab's average expenditure for the January to June is Rs. 4200 and he spends Rs.1200 in January and Rs.1500 in july.The average expenditure for the months of febraury to July is:

    • Options
    • A. Rs. 4250
    • B. Rs. 4520
    • C. Rs. 4060
    • D. None of these
    • Discuss
    • 7. In a cinema hall for the matinee show which started at 2.30 pm and ended at 5.30 pm the vehicle parking lot had only three wheelers (auto rickshaws) and four wheelers. Today the wheels of the vehicles parked was counted and found to be 240. What could be the number of three wheelers parked therein ?

    • Options
    • A. 48
    • B. 41
    • C. 45
    • D. 43
    • Discuss
    • 8. The mean deviation of the data 3, 10, 10, 4, 7, 10, 5 is :

    • Options
    • A. 49/7
    • B. 19/7
    • C. 50/7
    • D. 18/7
    • Discuss
    • 9. The average cost of 5 items in a shopping list is Rs 650. If one more item whose cost is Rs 1400 is added to the list what will be the new average (in Rs)?

    • Options
    • A. 775
    • B. 875
    • C. 725
    • D. 825
    • Discuss
    • 10. Sripad has scored average of 65 marks in three objects. In no subjects has he secured less than 58 marks. He has secured more marks in Maths than other two subjects. What could be his maximum score in Maths ?

    • Options
    • A. 79
    • B. 77
    • C. 76
    • D. 73
    • Discuss


    Comments

    There are no comments.

Enter a new Comment