How-many-4-digits-number-abcd-that-satisfy-a-b-c-d-multiply-of-3-

Question Number 58885 by naka3546 last updated on 01/May/19

H o w m a n y 4 - d i g i t s n u m b e r a b c d t h a t

s a t i s f y a ⩽ b ⩽ c ⩽ d m u l t i p l y o f 3 .

Commented by mr W last updated on 02/May/19

= 165

i n c h e c k i n g \dots

Commented by naka3546 last updated on 03/May/19

h o w t o g e t i t ? p l e a s e n o t i f y m e, s i r .