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Home Aptitude Decimal Fraction Comments

  • Question
  • (.538 x .538 - .462 x .462) / (1-.924) =?


  • Options
  • A. .076
  • B. 1.042
  • C. 1
  • D. 2

  • Correct Answer


  • Explanation

    Given expression = [ (.538)2 - (.462)2 ] / .076
    = [(.538 + .462)(.538 - .462)] /.076
    =.076 / .076
    = 1


  • Decimal Fraction problems


    Search Results


    • 1. 
      If 12276 / 155 = 79.2 the value of 122.76 / 15.5 is?

    • Options
    • A. 7.092
    • B. 7.92
    • C. 79.02
    • D. 79.2
    • Discuss
    • 2. 
      If ?5 = 2.24, then the value of 3?5 / 2?5 - 0.48 is?

    • Options
    • A. 0.168
    • B. 1.68
    • C. 16.8
    • D. 168
    • Discuss
    • 3. 
      If ?15 = 3.88, the value of ? 5/3 is?

    • Options
    • A. 0.43
    • B. 1.89
    • C. 1.29
    • D. 1.63
    • Discuss
    • 4. 
      If ?4096 =64 ,then the value of ?40.96 + ?0.4096 + ?0.004096 + ?0.00004096 is?

    • Options
    • A. 7.09
    • B. 7.1014
    • C. 7.1104
    • D. 7.12
    • Discuss
    • 5. 
      ? 0.289/0.00121 =?

    • Options
    • A. 170 / 11
    • B. 17 / 110
    • C. 17 / 1100
    • D. 17 / 11
    • Discuss
    • 6. 
      [(0.05) 2 + (0.41) 2 +(0.073) 2] / [(0.005) 2 + (0.041) 2 + (0.0073) 2] =?

    • Options
    • A. 0.1
    • B. 10
    • C. 100
    • D. 1000
    • Discuss
    • 7. 
      13.065 x 13.065 - 3.065 x 3.065 =?

    • Options
    • A. 161.3
    • B. 159.5
    • C. 141.6
    • D. 100
    • Discuss
    • 8. 
      (.896 x .752 +.896 x .248) / (.7 x .034 + .7 x.966) =?

    • Options
    • A. 1.28
    • B. 0.976
    • C. 12.8
    • D. 9.76
    • Discuss
    • 9. 
      (.356 x .365 - 2 x .365 x .106 + .106 x .106) / (.632 x .632 + 2 x .632 x .368 +.368 x .368) =?

    • Options
    • A. .25
    • B. .0765
    • C. .345
    • D. 0.625
    • Discuss
    • 10. 
      (3.65 x 3.65 + 2.35 x 2.35 - 2 x 2.35 x 3.65) / 1.69 =?

    • Options
    • A. 1.69
    • B. 2.35
    • C. 3.65
    • D. 1
    • Discuss


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