Find the greatest number of 4 digits which is exactly divisible by 12.

Correct option is B

Given:
Greatest number of 4 digits which is exactly divisible by 12.
Solution:
The greatest four-digit number = 9999
Greatest 4 digit number divisible by 12 = 9999 - the remainder of $$\frac{9999}{12}$$

​$$\frac{9999}{12}$$ then 3 remainder
Then, Greatest 4 digit number divisible by 12 = 9999 - 3 = 9996