A gardener wants to plant trees in his garden in such a way that the number of trees in each row should be the same. If there are 4 rows or 5 rows or 6 rows, then no tree will be left. Find the least number of trees required
Choose the correct choice.
A) 22	B) 60	C) 28	D) 76	E) 21

Rationale: explanation : the least number of trees that are required = lcm ( 4 , 5 , 6 ) = 60 . answer : b
Answer: B