Question

NATIONAL CYBER OLYMPIA
SECTION - AN
In which one of the following numbers, the digits
cannot be rearranged to get another three digit
number?
(a) 400
(b) 425
(c) 968
(d) 129
​

Answer 1

Answer:

a. 400

Explanation:

try 1: 040 (2 digits only)

try 2: 004 (single digit)

Hope that helps.

Answer 2

400 is the answer of this question