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The LCM of two numbers is 4 times their HCF. The sum of LCM and HCF is 125. If one of the number is 100, then the other number is

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The LCM of two numbers is 4 times their HCF. The sum of LCM and HCF is 125. If one of the number is 100, then the other number is
1). 5
2). 25
3). 100
4). 125

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2 answers

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Answered by on | Votes 3 |
25 : seems correct

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Answered by on | Votes 0 |
Using Rule 1, Let LCM be L and HCF be H, then L = 4H \ H + 4H = 125 5H = 125 H =$\frac{125}{5}$= 25 L = 4 × 25 = 100 Second number =$\frac{l\times h}{first number}$ = $\frac{100\times25}{100}=25$




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