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  • Question
  • 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

  • Correct Answer
  • 36 

    Explanation

    Total number of students = 54 x 30
    When arranged in rows of 45, number of rows formed are,
    54 x 30 45  = 36.


  • Average problems


    Search Results


    • 1. 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
    • 2. 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
    • 3. The average of the two-digit numbers, which remain the same when the dibits inter-change their positions, is :

    • Options
    • A. 53
    • B. 54
    • C. 55
    • D. 56
    • Discuss
    • 4. In a class of 100 students, the average weight is 30 kg. If the average weight of the girls is 24 kg and that of the boys is 32 kg, then what is the number of girls in the class?

    • Options
    • A. 25
    • B. 26
    • C. 27
    • D. 28
    • Discuss
    • 5. 20 men went to a restaurant. Ninteen of them paid Rs.70 each and the twentieth man paid Rs.90.25 more than the average of all the 20 men. What is the total bill ?

    • Options
    • A. Rs. 1495
    • B. Rs. 548
    • C. Rs. 850
    • D. Rs. 1750
    • Discuss
    • 6. 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
    • 7. 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
    • 8. 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
    • Discuss
    • 9. 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
    • 10. 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


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