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Home Aptitude Ratio and Proportion Comments

  • Question
  • If one-third of A, one-fourth of B and one-fifth of C are equal, then A : B : C is?


  • Options
  • A. 3 : 4 : 5
  • B. 4 : 3 : 5
  • C. 5 : 4 : 3
  • D. 1/3 : 1/4 :1/5

  • Correct Answer
  • 3 : 4 : 5 

    Explanation

    ? 1/3 A = 1/4, B = 1/5, C = x
    Then, A = 3x, B = 4x and C = 5x
    ? A : B : C = 3x : 4x : 5x = 3 : 4 : 5


  • Ratio and Proportion problems


    Search Results


    • 1. 
      If 1/5 : 1/N = 1/N : 1/1.25, then the value of N is?

    • Options
    • A. 1.25
    • B. 1.5
    • C. 2.5
    • D. 2.25
    • Discuss
    • 2. 
      Out of the ratio 7 : 15, 15 : 23, 17 : 25 and 21 : 29 the smallest one is?

    • Options
    • A. 17 : 25
    • B. 7 : 15
    • C. 15 : 23
    • D. 21 : 29
    • Discuss
    • 3. 
      In a ratio which is equal to 5 : 8. If the antecedent is 40 then consequent is?

    • Options
    • A. 25
    • B. 64
    • C. 48
    • D. None of these
    • Discuss
    • 4. 
      What must be added to each term of the ratio 7 : 13 so that the ratio becomes 2 : 3?

    • Options
    • A. 1
    • B. 2
    • C. 3
    • D. 5
    • Discuss
    • 5. 
      A fraction bears the same ratio to 1/27 as 3/7 does to 5/9. The fraction is?

    • Options
    • A. 7 / 45
    • B. 1 / 35
    • C. 45 / 7
    • D. 5 / 21
    • Discuss
    • 6. 
      The ratio which (1/3 of Rs. 9.30) bears to (0.6 of Rs. 1.55) is?

    • Options
    • A. 1 : 3
    • B. 10 : 3
    • C. 3 : 10
    • D. 3 : 1
    • Discuss
    • 7. 
      If a : b = 2 : 3 and 2 : a =1 : 2, then the value of 'b' is?

    • Options
    • A. 4
    • B. 6
    • C. 1 / 3
    • D. 3 / 2
    • Discuss
    • 8. 
      If 2A = 3B and 4B = 5C, then A : C is?

    • Options
    • A. 3 : 4
    • B. 8 : 15
    • C. 15 : 8
    • D. 4 : 3
    • Discuss
    • 9. 
      If 2A = 3B = 4C , then A : B : C is?

    • Options
    • A. 2 : 3 : 4
    • B. 4 : 3 : 2
    • C. 6 : 4 : 3
    • D. 3 : 4 : 6
    • Discuss
    • 10. 
      If A : B = 2 : 3, B : C = 4 : 5 and C : D = 6 : 7, then A : D is equal to?

    • Options
    • A. 2 : 7
    • B. 7 : 8
    • C. 16 : 35
    • D. 4 : 13
    • Discuss


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