logo

CuriousTab

CuriousTab

Discussion


Home Aptitude Decimal Fraction See What Others Are Saying!
  • Question
  • If the numerator of a fraction is increased by 2 and the denominator is increased by 1, the fraction because 5/8 and if the numerator of the same fraction is increased by 3 and the denominator is increased by 1, the fraction becomes 3/4 . What is the original fraction?


  • Options
  • A. Data inadequate
  • B. 2/7
  • C. 4/7
  • D. 3/7

  • Correct Answer
  • 3/7 

    Explanation

    Let the original fraction be p/q
    Then, (p + 2) / (q + 1) = 5/8
    ? 8p - 5q = 11 .....(i)
    Again (p + 3) / (q + 1) = 3/4
    ? 4p - 3q = 9 ...(ii)
    Solving equations , (i) and (ii), we get ,
    p = 3 and q = 7
    ? Fraction = 3/7


  • More questions

    • 1. 
      125, 127, 130, 135, 142, 153, 165?

    • Options
    • A. 130
    • B. 142
    • C. 153
    • D. 165
    • Discuss
    • 2. 
      40960, 10240, 2560, 640, 200, 40, 10?

    • Options
    • A. 640
    • B. 40
    • C. 200
    • D. 2560
    • Discuss
    • 3. 
      1, 1, 2, 6, 24, 96, 720?

    • Options
    • A. 720
    • B. 96
    • C. 24
    • D. 6
    • Discuss
    • 4. 
      2, 5, 10, 17, 26, 37, 50, 64?

    • Options
    • A. 50
    • B. 26
    • C. 37
    • D. 64
    • Discuss
    • 5. 
      25, 36, 49, 81, 121, 169, 225?

    • Options
    • A. 36
    • B. 49
    • C. 121
    • D. 169
    • Discuss
    • 6. 
      56, 72, 90, 110, 132, 150?

    • Options
    • A. 72
    • B. 110
    • C. 132
    • D. 150
    • Discuss
    • 7. 
      36, 54, 18, 27, 9, 18.5, 4.5?

    • Options
    • A. 4.5
    • B. 18.5
    • C. 54
    • D. 18
    • Discuss
    • 8. 
      253, 136, 352, 460, 324, 631, 244?

    • Options
    • A. 136
    • B. 324
    • C. 352
    • D. 631
    • Discuss
    • 9. 
      8, 27, 125, 343, 1331?

    • Options
    • A. 1331
    • B. 343
    • C. 125
    • D. None of these
    • Discuss
    • 10. 
      10, 14, 28, 32, 64, 68, 132?

    • Options
    • A. 32
    • B. 68
    • C. 132
    • D. 28
    • Discuss


    Comments

    There are no comments.

Enter a new Comment