A four-digit number aabb is divisible by 55. Then possible value(s) of b is/are

If a number is divisible by 55 than it must alsobe divisible by factors of 55 that is 5 and 11.

∵ aabb is divisible by 5

∴ By divisibility test of 5 b must be 0 or 5.

Therefore (c) option is correct.