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Problems on L.C.M and H.C.F in Aptitude MCQ Quiz (Multiple Choice Questions And Answers)

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71. The product of two numbers is 4107. If the H.C.F of these numbers is 37, then the greater number is:

  • 107
  •  111
  • 185
  • 101

72. The product of two numbers is 2028 and their H.C.F is 13. The number of such pairs is:

  • 4
  • 2
  • 1
  • 3

73. Three numbers which are co-prime to each other are such that the product of the first two is 551 and that of the last two is 1073. The sum of the three numbers is :

  • 75
  • 85
  • 81
  • 89

74. The L.C.M of two numbers is 48. The numbers are in the ratio 2:3. The sum of numbers is:

  •  64
  • 40
  • 32
  • 28

75. Three numbers are in the ratio 3:4:5 and their L.C.M is 2400. Their H.C.F is:

  • 80
  •  40
  •  120
  • 200