Question-130602

Question Number 130602 by EDWIN88 last updated on 27/Jan/21

Answered by mr W last updated on 27/Jan/21

= n u m b e r o f 4 d i g i t n u m b e r s w h i c h

a r e d i v i s i b l e b y 3 :

1002, 1005, \dots, 9999

\Rightarrow \frac{9999 - 1002}{3} + 1 = 3000

i . e . t h e r e a r e 3000 f i v e d i g i t n u m b e r s

e n d i n g w i t h 6 a n d d i v i s i b l e b y 3 .

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