Largest 4 digit no divisible by 16
 

Dear student,

We know,
Largest 4-digit number is 9999
When 9999 is divided by 16
we get,

Here, we get remainder 15
so subtracting 9999-15 = 9984

$$\begin{gathered} we can see 9984=16\times 624 \\ Hence it is multiple of 16 \\ Answer is 9984 \end{gathered}$$

Regards,