A) 3600
B) 900
C) 400
D) 225
Correct Answer: B
Solution :
\[\therefore \] \[\text{LCM}=3\times 5\times 2\times 3\times 2=180.\] The least multiple of 180 which is a perfect square is \[180\times 5=900.\]You need to login to perform this action.
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