ABCDEF
is a six-digit integer made up of the digits
1,2,3,4,5
and 6 , with norepeated digits. Its first two digits
AB
is multiple of 2 , its first three digits
ABC
is multiple of 3, its first four digits
ABCD
is multiple of 4 , its first five digits
ABCDE
is multiple of 5 , and the full integer
ABCDEF
is a multiple of 6 . What is the sixth digit,
F
? Both 2 and 4 possible E كل من 4 و 6 مصكنة Both 4 and 6 are possible