Question

A nine digit number having all its digits distinct and none being zero can be partitioned into two as per well. It turns out that every time the left part is always divisible by the number of digits it has. Which of the following number satisfies this property?
a. 183654927
b. 381654729
c. 361854729
d. None of these

Answer 1

well, did you try any of them?

for (a)
1 divides 1
2 divides 18
3 divides 183
4 divides 1836
5 divides 18365
6 divides 183654
7 does not divide 1836549

so, try the others

Answer 2

A