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Average Test 9
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Average Test 9
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  • Question 1/30
    1 / -0

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    2 years

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    In what time will Rs 81 at 25/4% p.a. simple interest ?
    Solutions
    2 years
  • Question 2/30
    1 / -0

    Directions For Questions

    Rs. 8820

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    Albert invested an amount of Rs. 8000 in a fixed deposit scheme for 2 years at compound interest rate 5 p.c.p.a. How much amount will Albert get on maturity of the fixed deposit? ?
    Solutions
    Rs. 8820
  • Question 3/30
    1 / -0

    Directions For Questions

    12.5

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    If a sum of money doubles itself in 8 years at simple interest, the rate percent per annum is  ?
    Solutions
    12.5
  • Question 4/30
    1 / -0

    Directions For Questions

    60

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    The average of 10 scores is 80. when the highest and the lowest scores are dropped, the average is 81. If highest score is 92, then lowest score will be ?
    Solutions
    60
  • Question 5/30
    1 / -0

    Directions For Questions

    81.5

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    What is the average for all the three classes?
    Solutions
    81.5
  • Question 6/30
    1 / -0

    Directions For Questions

    15

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    The average age of boys in a class is 16 years and that of the girls is 15 years. What is the average age for the whole class?
    Solutions
    15
  • Question 7/30
    1 / -0

    Directions For Questions

    Rs. 15,000

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    A man took a loan from a bank at the rate of 12% p.a. simple interest. After 3 years he had to pay Rs. 5400 interest only for the period. The principal amount borrowed by him was ?
    Solutions
    Rs. 15,000
  • Question 8/30
    1 / -0

    Directions For Questions

    7

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    Student found the mean to be 12. What should be the number in place of x? and students was asked to find the arithmetic mean of the numbers 3, 11, 7, 9, 15, 13, 8, 19, 17, 21, 14 and x.
    Solutions
    7
  • Question 9/30
    1 / -0

    Directions For Questions

    20%

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    Find the rate at Simple interest, at which a sum becomes four times of itself in 15 years?
    Solutions
    20%
  • Question 10/30
    1 / -0

    Directions For Questions

    Rs. 1.20

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    The simple interest on Rs. 10 for 4 months at the rate of 3 paise per rupee per month is ?
    Solutions
    Rs. 1.20
  • Question 11/30
    1 / -0

    Directions For Questions

    57

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    When a student weighing 45 kgs left a class, the average weight of the remaining 59 students increased by 200g. What is the average weight of the remaining 59 students
    Solutions
    57
  • Question 12/30
    1 / -0

    Directions For Questions

    Rs. 192000

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    A sum of Rs. 12000 deposited at compound interest becomes double after 5 years. After 20 years it will become ?
    Solutions
    Rs. 192000
  • Question 13/30
    1 / -0

    Directions For Questions

    20

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    A sum of money doubles itself in 10 years at simple interest. In how many years would it treble itself ?
    Solutions
    20
  • Question 14/30
    1 / -0

    Directions For Questions

    Rs. 51.25

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    If the simple interest on a sum of money for 2 years at 5% per annum is Rs. 50, what is the compound interest on the same at the same rate and for the same time ?
    Solutions
    Rs. 51.25
  • Question 15/30
    1 / -0

    Directions For Questions

    Rs. 115

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    A person takes a loan of Rs. 200 at 5% simple interest. He returns Rs. 100 at the end of 1 year. In order to clear his dues at the end of 2 years, he would pay ?
    Solutions
    Rs. 115
  • Question 16/30
    1 / -0

    Directions For Questions

    75

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    Arun obtained 76, 65, 82, 67 and 85 marks (out in 100) in English, Mathematics, Chemistry, Biology and Physics. What is his average mark?
    Solutions
    75
  • Question 17/30
    1 / -0

    Directions For Questions

    81.5

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    There match classes X,Y and z, take an algebra test. Tthe average score in class X is 83.The average score in class Y is 76. The average score in class Z is 85.The average score of all students in classes X and Y together is 79.The average score of all syudents in classes Y and Z together is 81. what is the average for all the three classes?
    Solutions
    81.5
  • Question 18/30
    1 / -0

    Directions For Questions

    Rs. 992

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    Rs. 800 amounts to Rs. 920 in 3 years at simple interest. If the interest rate is increased by 3%, it would amount to how much  ?
    Solutions
    Rs. 992
  • Question 19/30
    1 / -0

    Directions For Questions

    6%

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    A sum of Rs. 12,500 amounts to Rs. 15,500 in 4 years at the rate of simple interest. What is the rate of interest?
    Solutions
    6%
  • Question 20/30
    1 / -0

    Directions For Questions

    15000

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    A man took a loan from a bank at the rate of 12% p.a. simple interest. After 3 years he had to pay Rs. 5400 interest only for the period. The principal amount borrowed by him was
    Solutions
    15000
  • Question 21/30
    1 / -0

    Directions For Questions

    2:3

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    What will the ratio of simple interest earned by certain amount at the same rate of interest for 6 years and that for 9 years. ?
    Solutions
    2:3
  • Question 22/30
    1 / -0

    Directions For Questions

    4 years

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    How much time will it take for an amount of Rs. 450 to yield Rs. 81 as interest at 4.5% per annum of simple interest? ?
    Solutions
    4 years
  • Question 23/30
    1 / -0

    Directions For Questions

    75

    ...view full instructions

    David obtained 76, 65, 82, 67 and 85 marks (out in 100) in English, Mathematics, Physics, Chemistry and Biology.What are his average marks?
    Solutions
    75
  • Question 24/30
    1 / -0

    Directions For Questions

    Rs. 10000

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    If the difference between the compound interest, compounded half yearly and the simple interest on a sum at 10% per annum for one year is rs. 25, the sum is ?
    Solutions
    Rs. 10000
  • Question 25/30
    1 / -0

    Directions For Questions

    25/4

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    At what rate percent (simple interest )will a sum of money double itself in 16 years ?
    Solutions
    25/4
  • Question 26/30
    1 / -0

    Directions For Questions

    Rs. 4096

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    A sum of money amounts to Rs. 4624 in 2 years and to Rs. 4913 in 3 years at compound interest. The sum is ?
    Solutions
    Rs. 4096
  • Question 27/30
    1 / -0

    Directions For Questions

    7

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    A student needed to find the arithmetic mean of the numbers 3, 11, 7, 9, 15, 13, 8, 19, 17, 21, 14 and x. He found the mean to be 12. What is the value of x?
    Solutions
    7
  • Question 28/30
    1 / -0

    Directions For Questions

    1200

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    Srimathy borrowed a sum for 3 years on S.I. at 10%. The total interest paid was Rs. 360. Find the Principal?
    Solutions
    1200
  • Question 29/30
    1 / -0

    Directions For Questions

    none of these

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    A man borrows Rs. 12500 from a bank at 20% compound interest. At the end of every year he pays Rs. 2000 as part repayment. How much does he still owe to the bank after three such instalments ? ?
    Solutions
    none of these
  • Question 30/30
    1 / -0

    Directions For Questions

    10

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    The average of 20 numbers is zero. Of them, at the most, how many may be greater than zero?
    Solutions
    10
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