alleryThe LCM of 12, 15 and 20 is
A120
B180
C60
D90
Answer & Solution
Correct answer: C. 60
12 = 2^2 x 3; 15 = 3 x 5; 20 = 2^2 x 5. LCM = 2^2 x 3 x 5 = 60.
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