21. Find the ratio between the LCM ...
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21. Find the ratio between the LCM and HCF of 5,15, 20

11th - 12th Class
Maths
Solution
153
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( quad S=S times 1=5 ) ( 1 S=5 times 3=5^{prime} times 3^{prime} ) ( 20=2 times 2 times 5=2^{2} times 5^{prime} ) ( L cdot C cdot M==2^{2} times 3 times 5=60 ) ( 1-1 cdot C cdot F=5^{prime}=5 )
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