Q. If the odd digits are decreased by one and the even digits are increased by one and add all the digits within the number, then which of the following options the resultant is not divisible by three?
A.2579684
B.3681526
C.9684521
D.4762863
E.5476321
Ans: 3681526
a)2579684→3468795→3+4+6+8+7+9+5=42
b)3681526→2790437→2+7+9+0+4+3+7=32
c)9684521→8795430→8+7+9+5+4+3+0=36
d)4762863→5673972→5+6+7+3+9+7+2=39
e) 5476321→4+5+6+7+2+3+0=27
