Arithmetic Aptitude Previous Questions from PSC, UPSC and SSC

  • I. 2x2+18x+40=0

    II. 2y2+15y+27=0

  • Asked : IBPS Regional Rural Bank PO September 2014
  • Ax
  • Bx≥y
  • Cx≤y
  • Dx>y
  • Ex=y or relationship cannot be decided
  • Explanation:

    I. 2x2+18x+40=0

      2x2+10x+8x+40=0

      2x(x+5)+8(x+5)=0

     (2x+8)(x+5)=0

     (x+5)(2x+8)=0

      x = -4, -5

    II.  2y2+15y+27=0

         2y2+9y+6y+27=0

        y(2y+9)+3(2y+9)=0

        (2y+9)(y+3)=0

        (y+3)(2y+9)=0

         y = -4.5, -3

    Relationship cannot be decided

  • I.  5x2+11x+6=0

    II  y2-34y-336=0

  • Asked : IBPS Regional Rural Bank PO September 2014
  • Ax>y
  • Bx≤y
  • Cx=y or relationship cannot be decided
  • Dx
  • Ex≥y
  • Explanation:

    I. 5x2+11x+6=0

    5x2+6x+5x+6=0

    x(5x+6)+1(5x+6)=0

    (5x+6)(x+1)=0

    x=-1, -6/5

    II. y2-34y-336=0

    y2-42y+8y-336=0

    y(y-42)+8(y-42)=0

    (y-42)(y+8)=0

    y=42, -8

     Relationship cannot be decided

  • 10-5+10÷2×5

  • Asked : KPSC L.D Clerk - Kerala State Beverages 2016
  • A25
  • B6
  • C3/2
  • D30
  • Which numerical pair is different from others

  • Asked : KPSC Thaluk Supply Officer : Civil Supplies 2012
  • A(10,45)
  • B(25,90)
  • C(75,240)
  • D(85,185)
  • Explanation:

    (10,45) = 10×3+15=45

    (25,90) = 25×3+15=90

    (75,240) = 75×3+15 =240

    (85,185) = 85×3+15 = 270

Arithmetic Aptitude Previous Question Answers PSC, UPSC, SSC, IBPS
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