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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
How  many  4−digits  number   abcd   that  satisfy    a  ≤  b  ≤  c  ≤  d    multiply   of   3 .
$${How}\:\:{many}\:\:\mathrm{4}−{digits}\:\:{number}\:\:\:{abcd}\:\:\:{that} \\ $$$${satisfy}\:\:\:\:{a}\:\:\leqslant\:\:{b}\:\:\leqslant\:\:{c}\:\:\leqslant\:\:{d}\:\:\:\:{multiply}\:\:\:{of}\:\:\:\mathrm{3}\:.\: \\ $$
Commented by mr W last updated on 02/May/19
=165  in checking...
$$=\mathrm{165} \\ $$$${in}\:{checking}… \\ $$
Commented by naka3546 last updated on 03/May/19
how  to  get  it?  please  notify  me , sir .
$${how}\:\:{to}\:\:{get}\:\:{it}?\:\:{please}\:\:{notify}\:\:{me}\:,\:{sir}\:. \\ $$

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