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The LCM and HCF of two numbers are 1920 and 4, respectively. One of the numbers is 60. Find the other number.

  1. A
    128
  2. B
    124
  3. C
    88
  4. D
    120

Solution & Step-by-step Explanation

We use the fundamental property of numbers:
Product of two numbers=LCM×HCF
Let the other number be x.

60×x=1920×4
60×x=7680
x=
60
7680
​
=
6
768
​
=128

Practice this question

Try it yourself before checking the explanation above.

The LCM and HCF of two numbers are 1920 and 4, respectively. One of the numbers is 60. Find the other number.
A
128
B
124
C
88
D
120

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LCM and HCF

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