Find the L.C.M of 15, 18, 28 and 30.	Choose the correct answer:  A) 1800  B) 1260  C) 1460  D) 1600  E) 960
Explanation:   2 x 3 x 5 x 3 x 14 = 1260   Answer: Option 1260
<result>B</result>
Find the L.C.M of 15, 18, 28 and 30.