Quant Test for SBI PO Prelims 2020 Exam set – 1

Directions (1-5): Study the following and answer the questions:

  1. a)x^2 + 30x + 221=0
    b)y^2-53y+196=0
    x>y
    x
    x≥y
    x≤y
    x=y or relation cannot be established
    Option B
    (x+13)(x+17)=0
    x=-13,-17
    y=49,4

     

  2. a)x^2-33x+272=0
    b)y^2-30y+224=0
    x>y
    x
    x≥y
    x≤y
    x=y or relation cannot be established
    Option C
    x=16,17
    y=16,14

     

  3. a)15x^2-14x-32=0
    b)6y^2-y-5=0
    x>y
    x
    x≥y
    x≤y
    x=y or relation cannot be established
    Option E
    x=2,-1.05
    y=1,-0.8

     

  4. a)x^2-9x+20=0
    b)2y^2-11y+14=0
    x>y
    x
    x≥y
    x≤y
    x=y or relation cannot be established
    Option A
    x=5,4
    y=3.5,2

     

  5. a)5x^2-18x+9=0
    b)3y^2+5y-2=0
    x>y
    x
    x≥y
    x≤y
    x=y or relation cannot be established
    Option A
    x=0.6,3
    y=0.33.,-0.2

     

  6. Directions (6-10): Study the following and answer the questions:

    In a school of 600 students,boys and girls are in ratio of 8:7.Each student went to either biology lab or computer lab or both.40% of the boys only attend biology lab,total 20% students went to both the labs out of which 25% are boys,45% of the girls went to only computer lab.

  7. Total how many boys went to only biology lab?
    158
    165
    178
    185
    174
    Option A
    Ratio=8:7=320:280
    20 prcent both=20*600/100=120
    Boys in biology lab=40*320/100=128
    Boys in both labs=25*120/100=30
    Girls in computer lab=45*280/100=126
    Total=128+30=158

     

  8. How many girls went to only biology lab?
    55
    64
    66
    68
    None of these
    Option B
    =(280-126-90)

     

  9. Total number of students went ot biology lab in what percentage of the total number of students in the school?
    42%
    35%
    32%
    30%
    None of these
    Option C
    perxetage=192*100/600

     

  10. What is the total number of girls that went to computer labs?
    210
    212
    214
    216
    None of these
    Option D
    =126+90

     

  11. What is the total number of students that went to only computer labs?
    285
    288
    250
    292
    None of these
    Option B
    =(320-128-30)B+126G
    =162+126

     


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