If the HCF of two numbers 5 and 15 is 5. Find their LCM?
a) 15 b) 17 c) 11 d) 12
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Answer:
a) 15
Step-by-step explanation:
Multiples of 5 : 5,10,15,20,25,30.
Multiples of 15: 15,30,45,60,75,90,105.
Common multiples = 15,30
Therefore, LCM = 15.
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