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Home Aptitude Problems on H.C.F and L.C.M See What Others Are Saying!
  • Question
  • The ratio of two numbers is 3 : 4 and their H.C.F. is 4. Their L.C.M. is:


  • Options
  • A. 12
  • B. 16
  • C. 24
  • D. 48

  • Correct Answer
  • 48 

    Explanation
    Let the numbers be 3 x and 4 x . Then, their H.C.F. = x . So, x = 4.

    So, the numbers 12 and 16.

    L.C.M. of 12 and 16 = 48.


  • More questions

    • 1. (1000)9? 1024 =?

    • Options
    • A. 10000
    • B. 1000
    • C. 100
    • D. 10
    • E. None of these
    • Discuss
    • 2. 
      What should be subtracted from the multiplication of 0.527 and 2.013 to get 1?

    • Options
    • A. 0.060851
    • B. 2.060851
    • C. 0.939085
    • D. 1.9339085
    • Discuss
    • 3. (112 x 54) =?

    • Options
    • A. 67000
    • B. 70000
    • C. 76500
    • D. 77200
    • Discuss
    • 4. 
      By how much is 12% of 24.2 more than 10% of 14.2?

    • Options
    • A. 0.1484
    • B. 14.84
    • C. 1.484
    • D. 2.762
    • Discuss
    • 5. 587 x 999 =?

    • Options
    • A. 586413
    • B. 587523
    • C. 614823
    • D. 615173
    • Discuss
    • 6. 
      3.5 + 21 x 1.3 =?

    • Options
    • A. 7.28
    • B. 6.13
    • C. 72.8
    • D. none of these
    • Discuss
    • 7. (51+ 52 + 53 + ... + 100) =?

    • Options
    • A. 2525
    • B. 2975
    • C. 3225
    • D. 3775
    • Discuss
    • 8. 
      What decimal fraction is 40 ml of a litre?

    • Options
    • A. .4
    • B. .04
    • C. .05
    • D. None of these
    • Discuss
    • 9. 4500 x? = 3375

    • Options
    • A. 25
    • B. 34
    • C. 14
    • D. 35
    • E. None of these
    • Discuss
    • 10. 
      If the cost of three dozens mangoes is Rs. 245, what will be the approximate cost of 363 mangoes?

    • Options
    • A. Rs. 2200
    • B. Rs. 2000
    • C. Rs. 2400
    • D. Rs. 2600
    • Discuss


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