A) 2520
B) 1260
C) 630
D) 196
Correct Answer: C
Solution :
The LCM of 12,18,21,30 \[\therefore \] LCM\[=2\times 3\times 2\times 3\times 7\times 5=1260\] \[\therefore \] The required number \[=\frac{1260}{2}=630\]You need to login to perform this action.
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