Find the largest number of four digits exactly divisible by 12, 15, 18 and 27.
A
9620
B
9720
C
9820
D
9920
Correct Answer: 9720
Hints: L.C.M. of 12, 15, 18, 27 = 540 largest 4 digit number = 9999 So, 9999/540, We get 279 as remainder so the largest 4 digit exactly diviisible by 12, 15, 18, 27 = 9999 - 279 = 9720.