# QA – Placement Quizzes | LCM | Question 7

What is the least number which when divided by 4, 5, 6 and 7 leaves a remainder 3, but when divided by 9 leaves no remainder?**(A)** 1683**(B)** 1263**(C)** 843**(D)** 423**Answer:** **(D)****Explanation:** LCM of 4,5,6,7 is 420

=>(420k+3) should be divisible by 9

if k =1, 423/9 remainder !=0

Quiz of this Question