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Quadratic & Data Interpretation Test 29
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Quadratic & Data Interpretation Test 29

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  • Question 1/10
    1 / -0

    Directions For Questions

    Directions: In the following question, two equations numbered I and II are given. You have to solve both the equations and answer the question.

    ...view full instructions

    I. 4x + 7y = 209
    II. 12x −14y = −38
    Solutions
    I. 4x + 7y = 209 ..........(I)
    II. 12x −14y = −38 ..........(II)
    From Equations (I) and (II)
    => x = 19 and y = 19
    So x = y.
  • Question 2/10
    1 / -0

    Directions For Questions

    Directions: In the following questions two equations numbered I and II are given. You have to solve both the equations and Give answer 

    ...view full instructions

    I. 5a15 (a-12 )=320
    II.
    Solutions
    I.

    II.

    Hence, a
  • Question 3/10
    1 / -0

    Directions For Questions

    Directions: In the following question two equations numbered I and II are given. You have to solve both the equations and answer the question.

    ...view full instructions

    I.
    II.
    Solutions
    I. (p+8) (p+5)
    P
    II. (q+3) (q+4)
    =>
    So
  • Question 4/10
    1 / -0

    Directions For Questions

    Directions: In the following question two equations numbered I and II are given. You have to solve both the equations and answer the question.

    ...view full instructions

    I.
    II.
    Solutions
    I. )
    II. (q+100) (q-99)
    =>
    So P >q
  • Question 5/10
    1 / -0

    Directions For Questions

    Direction: In the following question, there are two equations. Solve the equations and answer accordingly.

    ...view full instructions

    I. x2 - 24x + 108 = 0
    II. y =
    Solutions
    I.x2 - 24x + 108 = 0
    (x-6) (x-18)
    x = 6, 18
    II. y =
    y = 18
    So xy
  • Question 6/10
    1 / -0

    Directions For Questions

    Direction: Refer to the line graph and answer the given questions.
    The statistics of Income (Rs. in thousands) and Expenditure (Rs. in thousands) of a firm over the years:

    ...view full instructions

    In which of the given years, the savings of the firm is second highest?
    Solutions
    From the line graph,
    We know,
    Savings = Income – Expenditure

    ∴ We can clearly observe that the savings of the firm is second highest in 2010.
  • Question 7/10
    1 / -0

    Directions For Questions

    Direction: Refer to the line graph and answer the given questions.
    The statistics of Income (Rs. in thousands) and Expenditure (Rs. in thousands) of a firm over the years:

    ...view full instructions

    The ratio of total  savings in 2008, 2009, 2014 to the total saving in  2010, 2012, 2013 is
    Solutions
    From the line graph,
    We know,
    Savings = Income – Expenditure

    So, the total savings in 2008, 2009 and 2014
    = Rs. (65 + 45 + 50) thousands = Rs. 160 thousands.
    And, the total savings in 2010, 2012 and 2013
    = Rs. (64 + 56 + 44) thousands = Rs. 164 thousands.
    ∴The required ratio = 160 : 164 = 40 : 41.
  • Question 8/10
    1 / -0

    Directions For Questions

    Direction: Refer to the line graph and answer the given questions.
    The statistics of Income (Rs. in thousands) and Expenditure (Rs. in thousands) of a firm over the years:

    ...view full instructions

    Which of the following year has the percentage increase in expenditure is maximum compared to previous years?
    Solutions
    From the line graph,

    ∴ We can clearly observe that the percentage increase of expenditure is the maximum compared to previous years in 2012.
  • Question 9/10
    1 / -0

    Directions For Questions

    Direction: Refer to the line graph and answer the given questions.
    The statistics of Income (Rs. in thousands) and Expenditure (Rs. in thousands) of a firm over the years:

    ...view full instructions

    The average expenditure in 2010 to 2013 is approximately what percent the average income in same period?
    Solutions
    From the line graph,

    So, the total income of the firm in 2010 to 2013 = Rs. (84 + 70 + 88 + 68) thousands
    = Rs. 310000
    Then, the average income of the firm in 2010 to 2013
    = Rs. 310000/4 = Rs. 77500
    So, the total expenditure of the firm in 2010 to 2013
    =Rs. (20 + 18 + 32 + 24) thousands = 94000
    Then, the average expenditure of the firm in 2010 to 2013
    = Rs. 94000/4 = Rs. 23500
    ∴ The required percentage = [(23500/77500) × 100]% = 30.32% ≈ 30%.
  • Question 10/10
    1 / -0

    Directions For Questions

    Direction: Refer to the line graph and answer the given questions.
    The statistics of Income (Rs. in thousands) and Expenditure (Rs. in thousands) of a firm over the years:

    ...view full instructions

    In which pair of the years, the income, expenditure and savings was increased from previous year?
    Solutions
    From the line graph,
    We know,
    Savings = Income - Expenditure

    ∴ We can clearly observe that the income, expenditure and savings was increased from previous year in 2012 and 2014.
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