Question

@amistre64
How many 7-digit
even numbers less than 3 000 000 can be
formed using all the digits 1, 2, 2, 3, 5, 5, 6?

Answer 1

even number has last term in one of these
0 2 4 6 8

Answer 2

so here any of 2 2 or 6 any of these should come at last place

Answer 3

So i know the first term has to be 1 or a 2, and the last one a 2 or a 6