Mixed Quantitative Aptitude Questions Set 77

Hello Aspirants

State Bank of India (SBI) is going to conduct examination for its recruitment for the post of Probationary Officers (SBI PO 2018) for a total of 2000 vacancies.

Click here to know the details of the Examination

The examination will be held in three phases i.e. Preliminary Examination, Main Examination and Group Exercise & Interview. The Preliminary Exam is scheduled on 1st, 7th & 8th of July 2018. Details of the exam are as under:

Practice the questions so as to familiarize yourself with the pattern of questions to be asked in the exam. 


 

Directions(1-5): Find the relation between x and y and choose a correct option.

  1. I. 5x^2 – 29x + 36 = 0
    II. 10y^2 – 3y – 27 = 0

    y>x
    x=y or relation cannot be established.
    x>y
    y>=x
    x>=y
    Option E
    I. 5x^2 – 29x + 36 = 0
    => 5x^2 – 20x – 9x + 36 = 0
    => 5x(x-4) – 9(x-4) = 0
    => (x-4)(5x-9) = 0
    => x = 4 , 9/5
    II. 10y^2 – 3y – 27 = 0
    => 10y^2 – 18y + 15y – 27 = 0
    > 2y (5y-9) + 3(5y – 9) = 0
    => y = 9/5 , -3/2
    x>=y

     

  2. I. 7x^2 – 54x + 99 =0
    II. 4y^2 – 16y + 15 = 0

    x>y
    x>=y
    y>=x
    y>x
    x=y or relation cannot be established.
    Option A
    I. 7x^2 – 54x + 99 =0
    => 7x^2 – 33x – 21x + 99 =0
    => x(7x – 33) – 3(7x – 33) = 0
    => x = 333/7 , 3
    II. 4y^2 – 16y + 15 = 0
    => 4y^2 – 10y – 6y + 15 = 0
    => 2y (2y – 5) – 3(2y-5) = 0
    => y = 5/2 , 3/2
    x>y

     

  3. I. x^2 – 6x – 91 = 0
    II. y^2 – 32y + 247 = 0

    y>=x
    x>y
    x>=y
    x=y or relation cannot be established.
    y>x
    Option A
    I. x^2 – 6x – 91 = 0
    => x^2 – 13x + 7x – 91 = 0
    => x = 13, -7
    II. y^2 – 32y + 247 = 0
    => y^2 – 19y -13y + 247 = 0
    => y = 19, 13
    x ≤ y

     

  4. I. x^2 + 5x – 14 = 0
    II. y^2 + 24y + 128 = 0

    x=y or relation cannot be established.
    y>x
    y>=x
    x>=y
    x>y
    Option E
    I.x^2 + 5x – 14 = 0
    => x^2 + 7x – 2x – 14 = 0
    => x = -7, 2
    II. y^2 + 24y + 128 = 0
    => y^2 + 16y + 8y + 128 = 0
    => y = -16, -8
    x > y

     

  5. I. x^2 + x – 30 = 0
    II. y^2 – 11y + 30 = 0

    x=y or relation cannot be established.
    x>=y
    y>x
    x>y
    y>=x
    Option E
    I. x^2 + x – 30 = 0
    => x^2 + 6x – 5x – 30 = 0
    => x = – 6, 5
    II. y^2 – 11y + 30 = 0
    => y^2 – 5y – 6y + 30 = 0
    => y = 5, 6
    x ≤ y

     

  6. Directions(6-10): Study the pie-chart carefully to answer the following questions.
    Percentage of students studying different specialisations in a management institute.

    Ratio of men to women in each specialisation

  7. What is the total number of men studying Banking and International Business?
    1050
    1500
    1020
    1015
    1000
    Option D
    The required number of men
    = 675 + 340
    = 1015

     

  8. In which specialisation do the maximum number of women study?
    Marketing
    Finance
    IT
    HR
    Banking
    Option C
    IT

     

  9. What is the total number of men studying in the institute?
    2421
    2312
    2505
    2102
    2200
    Option A
    2421

     

  10. The number of women studying Finance is what per cent of the number of men studying the same?
    70%
    50%
    30%
    60%
    80%
    Option E
    The required per cent
    = (4/5)*100 = 80%

     

  11. The number of women studying Marketing is approximately what per cent of the total number of students in the institute?
    5%
    7%
    9%
    2%
    4%
    Option B
    The required per cent = 5/12*16%
    = 6(2/3)% == 7%

     


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