The ratio between the LCM and HCF of 5,15,20 is (a) 9:1 (b) 4:3 (c) 11:1 (d) 12:1
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Answer:
(d) 12:1 is the answer
Step-by-step explanation:
So, LCM = ( A * B ) / HCF ( A , B), in this formula put A = 15 and B =20.So,it is ( 15 * 20 ) / 5 = 60. SO, HCF is 5 and LCM is 60. So, ratio of LCM and HCF is 12:1.
Hope its help..
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