alleryFind the least common multiple of the three numbers 15, 20 and 25.
A150
B75
C300
D100
Answer & Solution
Correct answer: C. 300
15 = 3 x 5, 20 = 2^2 x 5, 25 = 5^2, so the LCM is 2^2 x 3 x 5^2 = 300.
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