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The ratio of two numbers is 3 : 4 and their HCF is 5 their LCM is :

A10

B12

C15

D60

Answer:

D. 60

Read Explanation:

The ratio of two numbers 3 : 4 = 3x : 4x LCM = HCF × a × b N1/N2 = HCF × a/HCF × b N1/N2 = a/b = 3/4 LCM = HCF × a × b = 5 × 3 × 4 = 60


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$$HCF OF $\frac23,\frac45,\frac67$