two numbers are in ratio 3:4. if their lcm is 180 , find the number
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544
Let the 2 numbers be 3x and 4x and HCF be x.
Using formula, a×b = LCM × HCF
3x × 4x = 180 × x
12x² = 180x
x = 180/12
x = 15
a = 3x = 3×15 = 45
b = 4x = 4×15 = 60
HCF = x = 15
Hope this helps :)
Using formula, a×b = LCM × HCF
3x × 4x = 180 × x
12x² = 180x
x = 180/12
x = 15
a = 3x = 3×15 = 45
b = 4x = 4×15 = 60
HCF = x = 15
Hope this helps :)
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28
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here's the answer in the attachment
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