A 9 digit number in which zero does not appear and no digits are repeated has the following properties: The number comprising the left most two digits is divisible by 2, that comprising the left most three digits is divisible by 3, and so on

A. 183654729

B. 381654729

C. 983654721

D. 981654723

Answer: Option B

Solution(By Examveda Team)

(a) In 183654729, 1836547 is not divisible by 7
(b) In 381654729, 38 is divisible by 2,
381 is divisible by 3,
3816 is divisible by 4,
38165 is divisible by 5,
381654 is divisible by 6,
3816547 is divisible by 7
38165472 is divisible by 8 and 381654729 is divisible by 9
(c) In 983654721, 983 is not divisible by 3
(d) In 981654723, 9816547 is not divisible by 7