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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