Question

find the smallest 4 digit number divisible by 18,12 and24

Answer 1

Hi Mate !!


• The no. which will be exactly divisible by 18 , 12 and 24 is their LCM

LCM ( 18 , 12 , 24 ) :- 2 × 2 × 2 × 3 × 3 = 72

So, 72 is the LCM !!


• Smallest 4 digit number is :- 1000

72 ) 1000 ( 13
936
__________
64

The required number :- 1000 + ( 72 - 64 )

= 1000 + 8

= 1008


So, 1008 is the smallest 4 digit number which is divisible by 18 , 12 and 24 !!

Answer 2

heya dear

here your answer goes like this !!!

THE NUMBER WHICH IS DIVISIBLE BY 18,12,24 WILL BE THE LCM OF THE NUMBER

LCM = 72

the smallest 4 digit number is 1000

so now

72/1000

remainder = 64

so now the required number is

1000+(72-64)

1000 + 9

1009

therefore. the 4 digit number which is divisible by 18,12,24 izz 1009


i hope it helped u

thanks !!