Q. 374.6( 10 Votes )

LCM of 10, 15 and 20 is
A. 30

B. 60

C. 90

D. 180

Answer :

LCM of 10, 15 and 20:-


10 = 2× 5


15 = 3× 5


20 = 2× 2× 5


2: 2 occurrences


3: 1 occurrence


5:1 occurrence


LCM = 2× 2× 3× 5 = 60

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