Quant Test for SBI PO Prelims 2020 Exam set – 13

  1. Find out the wrong number in the following series:

    15 , 25 , 36 , 49 , 66 , 85 , 110

    15
    25
    66
    49
    110
    Option C
    Addition of +10 , + 11 , + 13 , +16 , + 20 , +25
    Then +1 , +2 , +3 , + 4 , + 5

     

  2. Study the follwing and answer the following:

    a)x^2+18x+65=0
    b)y^2+12y+35=0

    x>y
    x
    x=y or relationship cannot be established
    x is less than or equal to y
    x is greater than or equal to y
    Option C
    x= – 5 , -13
    y= – 5 , -7

     

  3. Study the following and answer the question:

    x= (-2)^2 + 111.21 – 20.10 * 11.90

    -100
    -80
    -110
    -70
    None of these
    Option B

     

  4. Three persons X,Y and Z run around a circular stadium and complete one round in 36,24 and 40 seconds respectively.In hoiw many minutes will all the three meet again at starting point?
    2 min
    6 min
    4 min
    10 min
    1 min
    Option B
    LCM of 36,24 and 40=360
    Therefore,360/60=6 min

     

  5. X and Y together can complete an project of data entry in 10 days.X speed is 60% of Y’s speed and total key depression in the project are 804000.What is Y’s speed in key depression per hour if they work for 5 hours a day?
    11050
    10050
    12050
    13000
    None of these
    Option B
    Ratio =3:5
    Total wok done by Y=(5/8)*804000=502500
    Tota working hours by Y=10*5=50 hours
    Y’s speed=(502500/50)=10050

     

  6. The average age of 12 persons is 16.75 years.When a new person joins them,the average age is decresed by 0.75 years.Then find the age of new person?
    7 years
    8 years
    9 years
    10 years
    None of these
    Option A
    Age of new person=13*(16.75-0.75)

     

  7. Study the following and answer the questions:

    7 , 8 , 17 , 52 , 209 , ?

    1046
    1200
    1305
    1100
    None of these
    Option A
    7*1+1=8
    8*2++1=17
    17*3+1=52

     

  8. 2 , 9, 35 , 98 , 222 , ?
    400
    437
    420
    450
    None of these
    Option B
    2^3-1
    3^3-1

     

  9. a)x^2 – 31x +198 = 0
    b)[email protected]+12=0
    x
    x>y
    x=y or relationship cannot be established
    x is greater than or equal to y
    x is less than or equal to y
    Option B
    x=22 , 9
    y = -6 , 2

     

  10. a)x^2-6x + 5=0
    b)y^2 + y – 342 = 0
    x>y
    x
    x=y or relationship cannot be established
    x is less than or equa to y
    x is greater than or equa to y
    Option
    x=5 , 1
    y =19 , -18

     


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